122615553430 has 16 divisors (see below), whose sum is σ = 221623801344. Its totient is φ = 48842709120.

The previous prime is 122615553419. The next prime is 122615553443. The reversal of 122615553430 is 34355516221.

It is a self number, because there is not a number n which added to its sum of digits gives 122615553430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25436502 + ... + 25441321.

It is an arithmetic number, because the mean of its divisors is an integer number (13851487584).

Almost surely, 2^122615553430 is an apocalyptic number.

122615553430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122615553430 is a deficient number, since it is larger than the sum of its proper divisors (99008247914).

122615553430 is a wasteful number, since it uses less digits than its factorization.

122615553430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50878071.

The product of its (nonzero) digits is 108000, while the sum is 37.

The spelling of 122615553430 in words is "one hundred twenty-two billion, six hundred fifteen million, five hundred fifty-three thousand, four hundred thirty".