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106056121 = 271391351
BaseRepresentation
bin1100101001001…
…00100110111001
321101120012122111
412110210212321
5204122243441
614305052321
72425314343
oct624444671
9241505574
10106056121
1154958596
122b6270a1
1318c84202
141012a293
15949e081
hex65249b9

106056121 has 4 divisors (see below), whose sum is σ = 106447744. Its totient is φ = 105664500.

The previous prime is 106056101. The next prime is 106056133. The reversal of 106056121 is 121650601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 121650601 = 661918379.

It is a cyclic number.

It is not a de Polignac number, because 106056121 - 217 = 105925049 is a prime.

It is a super-2 number, since 2×1060561212 = 22495801603133282, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 106056092 and 106056101.

It is not an unprimeable number, because it can be changed into a prime (106056101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195405 + ... + 195946.

It is an arithmetic number, because the mean of its divisors is an integer number (26611936).

Almost surely, 2106056121 is an apocalyptic number.

It is an amenable number.

106056121 is a deficient number, since it is larger than the sum of its proper divisors (391623).

106056121 is an equidigital number, since it uses as much as digits as its factorization.

106056121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391622.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 106056121 is about 10298.3552570301. The cubic root of 106056121 is about 473.3458562558.

The spelling of 106056121 in words is "one hundred six million, fifty-six thousand, one hundred twenty-one".

Divisors: 1 271 391351 106056121