121009392 has 60 divisors (see below), whose sum is σ = 387041200. Its totient is φ = 34573824.

The previous prime is 121009379. The next prime is 121009393. The reversal of 121009392 is 293900121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121009393) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59017 + ... + 61032.

Almost surely, 2^121009392 is an apocalyptic number.

121009392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121009392 is an abundant number, since it is smaller than the sum of its proper divisors (266031808).

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

121009392 is a wasteful number, since it uses less digits than its factorization.

121009392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120070 (or 120061 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 121009392 is about 11000.4269008071. The cubic root of 121009392 is about 494.6215411434.

The spelling of 121009392 in words is "one hundred twenty-one million, nine thousand, three hundred ninety-two".