122439250953 has 12 divisors (see below), whose sum is σ = 177255926640. Its totient is φ = 81441906936.

The previous prime is 122439250931. The next prime is 122439250961. The reversal of 122439250953 is 359052934221.

122439250953 is a `hidden beast` number, since 1 + 2 + 2 + 4 + 3 + 92 + 509 + 53 = 666.

It is not a de Polignac number, because 122439250953 - 2¹⁴ = 122439234569 is a prime.

It is a super-2 number, since 2×122439250953² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122439250899 and 122439250908.

It is not an unprimeable number, because it can be changed into a prime (122439250993) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15350823 + ... + 15358796.

It is an arithmetic number, because the mean of its divisors is an integer number (14771327220).

Almost surely, 2^122439250953 is an apocalyptic number.

It is an amenable number.

122439250953 is a deficient number, since it is larger than the sum of its proper divisors (54816675687).

122439250953 is a wasteful number, since it uses less digits than its factorization.

122439250953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30710068 (or 30710065 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 45.

The spelling of 122439250953 in words is "one hundred twenty-two billion, four hundred thirty-nine million, two hundred fifty thousand, nine hundred fifty-three".