122546987392 has 128 divisors (see below), whose sum is σ = 253611943200. Its totient is φ = 58943324160.

The previous prime is 122546987347. The next prime is 122546987411. The reversal of 122546987392 is 293789645221.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent 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, 161884678 + ... + 161885434.

Almost surely, 2^122546987392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122546987392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126805971600).

122546987392 is an abundant number, since it is smaller than the sum of its proper divisors (131064955808).

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

122546987392 is a wasteful number, since it uses less digits than its factorization.

122546987392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1204 (or 1192 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 58.

The spelling of 122546987392 in words is "one hundred twenty-two billion, five hundred forty-six million, nine hundred eighty-seven thousand, three hundred ninety-two".