10122156 has 36 divisors (see below), whose sum is σ = 27913704. Its totient is φ = 3067200.

The previous prime is 10122149. The next prime is 10122163. The reversal of 10122156 is 65122101.

It is an interprime number because it is at equal distance from previous prime (10122149) and next prime (10122163).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 12385 + ... + 13176.

Almost surely, 2^10122156 is an apocalyptic number.

It is an amenable number.

10122156 is an abundant number, since it is smaller than the sum of its proper divisors (17791548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10122156 is a wasteful number, since it uses less digits than its factorization.

10122156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25582 (or 25577 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 10122156 is about 3181.5335924676. The cubic root of 10122156 is about 216.3171780553.

Adding to 10122156 its reverse (65122101), we get a palindrome (75244257).

Subtracting 10122156 from its reverse (65122101), we obtain a palindrome (54999945).

The spelling of 10122156 in words is "ten million, one hundred twenty-two thousand, one hundred fifty-six".