121260455364 has 24 divisors (see below), whose sum is σ = 283285715328. Its totient is φ = 40370915680.

The previous prime is 121260455357. The next prime is 121260455369. The reversal of 121260455364 is 463554062121.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (121260455369) 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, 6144252 + ... + 6163955.

It is an arithmetic number, because the mean of its divisors is an integer number (11803571472).

Almost surely, 2^121260455364 is an apocalyptic number.

It is an amenable number.

121260455364 is an abundant number, since it is smaller than the sum of its proper divisors (162025259964).

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

121260455364 is a wasteful number, since it uses less digits than its factorization.

121260455364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12309035 (or 12309033 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 121260455364 in words is "one hundred twenty-one billion, two hundred sixty million, four hundred fifty-five thousand, three hundred sixty-four".