121377294360 has 288 divisors, whose sum is σ = 459383127840. Its totient is φ = 27713000448.

The previous prime is 121377294349. The next prime is 121377294373. The reversal of 121377294360 is 63492773121.

121377294360 is a `hidden beast` number, since 1 + 2 + 137 + 72 + 94 + 360 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 18748084 + ... + 18754556.

It is an arithmetic number, because the mean of its divisors is an integer number (1595080305).

Almost surely, 2^121377294360 is an apocalyptic number.

121377294360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121377294360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229691563920).

121377294360 is an abundant number, since it is smaller than the sum of its proper divisors (338005833480).

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

121377294360 is a wasteful number, since it uses less digits than its factorization.

121377294360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7567 (or 7553 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The spelling of 121377294360 in words is "one hundred twenty-one billion, three hundred seventy-seven million, two hundred ninety-four thousand, three hundred sixty".