122157225134 has 16 divisors (see below), whose sum is σ = 209870629728. Its totient is φ = 52238535552.

The previous prime is 122157225097. The next prime is 122157225167. The reversal of 122157225134 is 431522751221.

It is a super-2 number, since 2×122157225134² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122157225094 and 122157225103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9540119 + ... + 9552914.

It is an arithmetic number, because the mean of its divisors is an integer number (13116914358).

Almost surely, 2^122157225134 is an apocalyptic number.

122157225134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

122157225134 is a deficient number, since it is larger than the sum of its proper divisors (87713404594).

122157225134 is a wasteful number, since it uses less digits than its factorization.

122157225134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19093499.

The product of its digits is 33600, while the sum is 35.

Adding to 122157225134 its reverse (431522751221), we get a palindrome (553679976355).

The spelling of 122157225134 in words is "one hundred twenty-two billion, one hundred fifty-seven million, two hundred twenty-five thousand, one hundred thirty-four".