121396176 has 120 divisors (see below), whose sum is σ = 373610016. Its totient is φ = 36491520.

The previous prime is 121396091. The next prime is 121396193. The reversal of 121396176 is 671693121.

121396176 is a `hidden beast` number, since 1 + 2 + 1 + 39 + 617 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 121396176.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 273811 + ... + 274253.

Almost surely, 2^121396176 is an apocalyptic number.

121396176 is a gapful number since it is divisible by the number (16) 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 121396176, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186805008).

121396176 is an abundant number, since it is smaller than the sum of its proper divisors (252213840).

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

121396176 is a wasteful number, since it uses less digits than its factorization.

121396176 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641 (or 632 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 121396176 is about 11017.9932837155. The cubic root of 121396176 is about 495.1479692315.

The spelling of 121396176 in words is "one hundred twenty-one million, three hundred ninety-six thousand, one hundred seventy-six".