122621107477 has 16 divisors (see below), whose sum is σ = 139599912960. Its totient is φ = 106615278000.

The previous prime is 122621107417. The next prime is 122621107493. The reversal of 122621107477 is 774701126221.

It is a de Polignac number, because none of the positive numbers 2^k-122621107477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122621107417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2901424 + ... + 2943382.

It is an arithmetic number, because the mean of its divisors is an integer number (8724994560).

Almost surely, 2^122621107477 is an apocalyptic number.

It is an amenable number.

122621107477 is a deficient number, since it is larger than the sum of its proper divisors (16978805483).

122621107477 is a wasteful number, since it uses less digits than its factorization.

122621107477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53544.

The product of its (nonzero) digits is 65856, while the sum is 40.

The spelling of 122621107477 in words is "one hundred twenty-two billion, six hundred twenty-one million, one hundred seven thousand, four hundred seventy-seven".