122151156 has 12 divisors (see below), whose sum is σ = 285019392. Its totient is φ = 40717048.

The previous prime is 122151151. The next prime is 122151157. The reversal of 122151156 is 651151221.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122151151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5089620 + ... + 5089643.

It is an arithmetic number, because the mean of its divisors is an integer number (23751616).

Almost surely, 2^122151156 is an apocalyptic number.

It is an amenable number.

122151156 is an abundant number, since it is smaller than the sum of its proper divisors (162868236).

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

122151156 is a wasteful number, since it uses less digits than its factorization.

122151156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10179270 (or 10179268 counting only the distinct ones).

The product of its digits is 600, while the sum is 24.

The square root of 122151156 is about 11052.2014096740. The cubic root of 122151156 is about 496.1723137427.

The spelling of 122151156 in words is "one hundred twenty-two million, one hundred fifty-one thousand, one hundred fifty-six".