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4122131 = 13317087
BaseRepresentation
bin1111101110011000010011
321202102111112
433232120103
52023402011
6224203535
750015606
oct17563023
97672445
104122131
112366022
1214695ab
13b14340
1479433d
1556658b
hex3ee613

4122131 has 4 divisors (see below), whose sum is σ = 4439232. Its totient is φ = 3805032.

The previous prime is 4122121. The next prime is 4122169. The reversal of 4122131 is 1312214.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4122131 - 26 = 4122067 is a prime.

It is a super-2 number, since 2×41221312 = 33983927962322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4122121) 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, 158531 + ... + 158556.

It is an arithmetic number, because the mean of its divisors is an integer number (1109808).

Almost surely, 24122131 is an apocalyptic number.

4122131 is a deficient number, since it is larger than the sum of its proper divisors (317101).

4122131 is a wasteful number, since it uses less digits than its factorization.

4122131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317100.

The product of its digits is 48, while the sum is 14.

The square root of 4122131 is about 2030.3031793306. The cubic root of 4122131 is about 160.3395263976.

Adding to 4122131 its reverse (1312214), we get a palindrome (5434345).

It can be divided in two parts, 412213 and 1, that added together give a palindrome (412214).

The spelling of 4122131 in words is "four million, one hundred twenty-two thousand, one hundred thirty-one".

Divisors: 1 13 317087 4122131