121455376 has 20 divisors (see below), whose sum is σ = 268937152. Its totient is φ = 52052256.

The previous prime is 121455371. The next prime is 121455377. The reversal of 121455376 is 673554121.

It is not an unprimeable number, because it can be changed into a prime (121455371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 542100 + ... + 542323.

Almost surely, 2^121455376 is an apocalyptic number.

121455376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

121455376 is an abundant number, since it is smaller than the sum of its proper divisors (147481776).

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

121455376 is a wasteful number, since it uses less digits than its factorization.

121455376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1084438 (or 1084432 counting only the distinct ones).

The product of its digits is 25200, while the sum is 34.

The square root of 121455376 is about 11020.6794708856. The cubic root of 121455376 is about 495.2284440239.

The spelling of 121455376 in words is "one hundred twenty-one million, four hundred fifty-five thousand, three hundred seventy-six".