Search a number
-
+
122842101 = 3235117417
BaseRepresentation
bin1110101001001…
…10101111110101
322120011000200110
413110212233311
5222421421401
620104533233
73021066144
oct724465765
9276130613
10122842101
11633830a8
1235181219
131c5b0745
141245975b
15abb79d6
hex7526bf5

122842101 has 8 divisors (see below), whose sum is σ = 163868544. Its totient is φ = 81855200.

The previous prime is 122842091. The next prime is 122842121. The reversal of 122842101 is 101248221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122842101 - 26 = 122842037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122842121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1656 + ... + 15761.

It is an arithmetic number, because the mean of its divisors is an integer number (20483568).

Almost surely, 2122842101 is an apocalyptic number.

It is an amenable number.

122842101 is a deficient number, since it is larger than the sum of its proper divisors (41026443).

122842101 is a wasteful number, since it uses less digits than its factorization.

122842101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19771.

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 122842101 is about 11083.4155836547. The cubic root of 122842101 is about 497.1060841499.

The spelling of 122842101 in words is "one hundred twenty-two million, eight hundred forty-two thousand, one hundred one".

Divisors: 1 3 2351 7053 17417 52251 40947367 122842101