122640373503 has 12 divisors (see below), whose sum is σ = 180916296288. Its totient is φ = 80020668960.

The previous prime is 122640373451. The next prime is 122640373517. The reversal of 122640373503 is 305373046221.

122640373503 is a `hidden beast` number, since 1 + 2 + 2 + 640 + 3 + 7 + 3 + 5 + 0 + 3 = 666.

It is not a de Polignac number, because 122640373503 - 2¹² = 122640369407 is a prime.

It is a super-2 number, since 2×122640373503² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122640373003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 144964558 + ... + 144965403.

It is an arithmetic number, because the mean of its divisors is an integer number (15076358024).

Almost surely, 2^122640373503 is an apocalyptic number.

122640373503 is a deficient number, since it is larger than the sum of its proper divisors (58275922785).

122640373503 is a wasteful number, since it uses less digits than its factorization.

122640373503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289930014 (or 289930011 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 36.

The spelling of 122640373503 in words is "one hundred twenty-two billion, six hundred forty million, three hundred seventy-three thousand, five hundred three".