122115152 has 20 divisors (see below), whose sum is σ = 238898400. Its totient is φ = 60463968.

The previous prime is 122115121. The next prime is 122115157. The reversal of 122115152 is 251511221.

It is a super-2 number, since 2×122115152² = 29824220695966208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122115157) 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, 35402 + ... + 38697.

It is an arithmetic number, because the mean of its divisors is an integer number (11944920).

Almost surely, 2^122115152 is an apocalyptic number.

It is an amenable number.

122115152 is a deficient number, since it is larger than the sum of its proper divisors (116783248).

122115152 is a wasteful number, since it uses less digits than its factorization.

122115152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74210 (or 74204 counting only the distinct ones).

The product of its digits is 200, while the sum is 20.

The square root of 122115152 is about 11050.5724738585. The cubic root of 122115152 is about 496.1235600946.

Adding to 122115152 its reverse (251511221), we get a palindrome (373626373).

The spelling of 122115152 in words is "one hundred twenty-two million, one hundred fifteen thousand, one hundred fifty-two".