122785432953 has 4 divisors (see below), whose sum is σ = 163713910608. Its totient is φ = 81856955300.

The previous prime is 122785432949. The next prime is 122785432961. The reversal of 122785432953 is 359234587221.

It is a happy number.

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 122785432953 - 2² = 122785432949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122785432896 and 122785432905.

It is not an unprimeable number, because it can be changed into a prime (122785432943) 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, 20464238823 + ... + 20464238828.

It is an arithmetic number, because the mean of its divisors is an integer number (40928477652).

Almost surely, 2^122785432953 is an apocalyptic number.

It is an amenable number.

122785432953 is a deficient number, since it is larger than the sum of its proper divisors (40928477655).

122785432953 is an equidigital number, since it uses as much as digits as its factorization.

122785432953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40928477654.

The product of its digits is 3628800, while the sum is 51.

The spelling of 122785432953 in words is "one hundred twenty-two billion, seven hundred eighty-five million, four hundred thirty-two thousand, nine hundred fifty-three".