122295172953 has 4 divisors (see below), whose sum is σ = 163060230608. Its totient is φ = 81530115300.

The previous prime is 122295172943. The next prime is 122295172957. The reversal of 122295172953 is 359271592221.

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 not a de Polignac number, because 122295172953 - 2⁵ = 122295172921 is a prime.

It is a super-2 number, since 2×122295172953² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122295172957) 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, 20382528823 + ... + 20382528828.

It is an arithmetic number, because the mean of its divisors is an integer number (40765057652).

Almost surely, 2^122295172953 is an apocalyptic number.

It is an amenable number.

122295172953 is a deficient number, since it is larger than the sum of its proper divisors (40765057655).

122295172953 is an equidigital number, since it uses as much as digits as its factorization.

122295172953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40765057654.

The product of its digits is 680400, while the sum is 48.

The spelling of 122295172953 in words is "one hundred twenty-two billion, two hundred ninety-five million, one hundred seventy-two thousand, nine hundred fifty-three".