122530150251 has 32 divisors (see below), whose sum is σ = 189445893120. Its totient is φ = 78123906432.

The previous prime is 122530150177. The next prime is 122530150273. The reversal of 122530150251 is 152051035221.

122530150251 is a `hidden beast` number, since 12 + 253 + 0 + 150 + 251 = 666.

It is not a de Polignac number, because 122530150251 - 2²² = 122525955947 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (122530150651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7448131 + ... + 7464563.

It is an arithmetic number, because the mean of its divisors is an integer number (5920184160).

Almost surely, 2^122530150251 is an apocalyptic number.

122530150251 is a deficient number, since it is larger than the sum of its proper divisors (66915742869).

122530150251 is a wasteful number, since it uses less digits than its factorization.

122530150251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28472 (or 28466 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

Adding to 122530150251 its reverse (152051035221), we get a palindrome (274581185472).

The spelling of 122530150251 in words is "one hundred twenty-two billion, five hundred thirty million, one hundred fifty thousand, two hundred fifty-one".