122621440473 has 48 divisors (see below), whose sum is σ = 207290304000. Its totient is φ = 69819543360.

The previous prime is 122621440463. The next prime is 122621440537. The reversal of 122621440473 is 374044126221.

122621440473 is a `hidden beast` number, since 1 + 22 + 621 + 4 + 4 + 0 + 4 + 7 + 3 = 666.

It is not a de Polignac number, because 122621440473 - 2⁸ = 122621440217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122621440433) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 796768 + ... + 938126.

It is an arithmetic number, because the mean of its divisors is an integer number (4318548000).

Almost surely, 2^122621440473 is an apocalyptic number.

It is an amenable number.

122621440473 is a deficient number, since it is larger than the sum of its proper divisors (84668863527).

122621440473 is a wasteful number, since it uses less digits than its factorization.

122621440473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141667 (or 141650 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

Adding to 122621440473 its reverse (374044126221), we get a palindrome (496665566694).

The spelling of 122621440473 in words is "one hundred twenty-two billion, six hundred twenty-one million, four hundred forty thousand, four hundred seventy-three".