122450252771 has 64 divisors (see below), whose sum is σ = 162426249216. Its totient is φ = 89559993600.

The previous prime is 122450252747. The next prime is 122450252783. The reversal of 122450252771 is 177252054221.

It is not a de Polignac number, because 122450252771 - 2⁶ = 122450252707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122450255771) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9088586 + ... + 9102048.

It is an arithmetic number, because the mean of its divisors is an integer number (2537910144).

Almost surely, 2^122450252771 is an apocalyptic number.

122450252771 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

122450252771 is a deficient number, since it is larger than the sum of its proper divisors (39975996445).

122450252771 is a wasteful number, since it uses less digits than its factorization.

122450252771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13632.

The product of its (nonzero) digits is 78400, while the sum is 38.

The spelling of 122450252771 in words is "one hundred twenty-two billion, four hundred fifty million, two hundred fifty-two thousand, seven hundred seventy-one".