121892324 has 6 divisors (see below), whose sum is σ = 213311574. Its totient is φ = 60946160.

The previous prime is 121892321. The next prime is 121892327. The reversal of 121892324 is 423298121.

It is an interprime number because it is at equal distance from previous prime (121892321) and next prime (121892327).

It can be written as a sum of positive squares in only one way, i.e., 119202724 + 2689600 = 10918^2 + 1640^2 .

It is not an unprimeable number, because it can be changed into a prime (121892321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15236537 + ... + 15236544.

It is an arithmetic number, because the mean of its divisors is an integer number (35551929).

Almost surely, 2^121892324 is an apocalyptic number.

It is an amenable number.

121892324 is a deficient number, since it is larger than the sum of its proper divisors (91419250).

121892324 is a wasteful number, since it uses less digits than its factorization.

121892324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30473085 (or 30473083 counting only the distinct ones).

The product of its digits is 6912, while the sum is 32.

The square root of 121892324 is about 11040.4856777227. The cubic root of 121892324 is about 495.8216114044.

The spelling of 121892324 in words is "one hundred twenty-one million, eight hundred ninety-two thousand, three hundred twenty-four".