122153434 has 16 divisors (see below), whose sum is σ = 199825920. Its totient is φ = 55663920.

The previous prime is 122153429. The next prime is 122153443. The reversal of 122153434 is 434351221.

It is a super-2 number, since 2×122153434² = 29842922875984712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122153399 and 122153408.

It is an unprimeable number.

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, 27682 + ... + 31789.

It is an arithmetic number, because the mean of its divisors is an integer number (12489120).

Almost surely, 2^122153434 is an apocalyptic number.

122153434 is a deficient number, since it is larger than the sum of its proper divisors (77672486).

122153434 is a wasteful number, since it uses less digits than its factorization.

122153434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59565.

The product of its digits is 2880, while the sum is 25.

The square root of 122153434 is about 11052.3044655854. The cubic root of 122153434 is about 496.1753981002.

The spelling of 122153434 in words is "one hundred twenty-two million, one hundred fifty-three thousand, four hundred thirty-four".