122591420552 has 32 divisors (see below), whose sum is σ = 232414341120. Its totient is φ = 60617370240.

The previous prime is 122591420537. The next prime is 122591420557. The reversal of 122591420552 is 255024195221.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (122591420557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121988 + ... + 509964.

It is an arithmetic number, because the mean of its divisors is an integer number (7262948160).

Almost surely, 2^122591420552 is an apocalyptic number.

It is an amenable number.

122591420552 is a deficient number, since it is larger than the sum of its proper divisors (109822920568).

122591420552 is a wasteful number, since it uses less digits than its factorization.

122591420552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388421 (or 388417 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 38.

The spelling of 122591420552 in words is "one hundred twenty-two billion, five hundred ninety-one million, four hundred twenty thousand, five hundred fifty-two".