121362644 has 48 divisors (see below), whose sum is σ = 239339520. Its totient is φ = 53464320.

The previous prime is 121362623. The next prime is 121362667. The reversal of 121362644 is 446263121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126872 + ... + 127824.

It is an arithmetic number, because the mean of its divisors is an integer number (4986240).

Almost surely, 2^121362644 is an apocalyptic number.

It is an amenable number.

121362644 is a deficient number, since it is larger than the sum of its proper divisors (117976876).

121362644 is a wasteful number, since it uses less digits than its factorization.

121362644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080 (or 1078 counting only the distinct ones).

The product of its digits is 6912, while the sum is 29.

The square root of 121362644 is about 11016.4714859160. The cubic root of 121362644 is about 495.1023751796.

The spelling of 121362644 in words is "one hundred twenty-one million, three hundred sixty-two thousand, six hundred forty-four".