122156353 has 4 divisors (see below), whose sum is σ = 133261488. Its totient is φ = 111051220.

The previous prime is 122156341. The next prime is 122156383. The reversal of 122156353 is 353651221.

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.

It is a cyclic number.

It is not a de Polignac number, because 122156353 - 2¹³ = 122148161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122156303) 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, 5552551 + ... + 5552572.

It is an arithmetic number, because the mean of its divisors is an integer number (33315372).

Almost surely, 2^122156353 is an apocalyptic number.

It is an amenable number.

122156353 is a deficient number, since it is larger than the sum of its proper divisors (11105135).

122156353 is a wasteful number, since it uses less digits than its factorization.

122156353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11105134.

The product of its digits is 5400, while the sum is 28.

The square root of 122156353 is about 11052.4365187048. The cubic root of 122156353 is about 496.1793503003.

The spelling of 122156353 in words is "one hundred twenty-two million, one hundred fifty-six thousand, three hundred fifty-three".