122150517 has 4 divisors (see below), whose sum is σ = 162867360. Its totient is φ = 81433676.

The previous prime is 122150513. The next prime is 122150527. The reversal of 122150517 is 715051221.

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 122150517 - 2² = 122150513 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122150513) 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, 20358417 + ... + 20358422.

It is an arithmetic number, because the mean of its divisors is an integer number (40716840).

Almost surely, 2^122150517 is an apocalyptic number.

It is an amenable number.

122150517 is a deficient number, since it is larger than the sum of its proper divisors (40716843).

122150517 is an equidigital number, since it uses as much as digits as its factorization.

122150517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40716842.

The product of its (nonzero) digits is 700, while the sum is 24.

The square root of 122150517 is about 11052.1725013682. The cubic root of 122150517 is about 496.1714485451.

The spelling of 122150517 in words is "one hundred twenty-two million, one hundred fifty thousand, five hundred seventeen".