122787061057420 has 48 divisors (see below), whose sum is σ = 257927532962400. Its totient is φ = 49100596282880.

The previous prime is 122787061057417. The next prime is 122787061057471. The reversal of 122787061057420 is 24750160787221.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2419853250 + ... + 2419903990.

It is an arithmetic number, because the mean of its divisors is an integer number (5373490270050).

Almost surely, 2^{122787061057420} is an apocalyptic number.

122787061057420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122787061057420 is an abundant number, since it is smaller than the sum of its proper divisors (135140471904980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122787061057420 is a wasteful number, since it uses less digits than its factorization.

122787061057420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83418 (or 83416 counting only the distinct ones).

The product of its (nonzero) digits is 2634240, while the sum is 52.

The spelling of 122787061057420 in words is "one hundred twenty-two trillion, seven hundred eighty-seven billion, sixty-one million, fifty-seven thousand, four hundred twenty".