121673732 has 12 divisors (see below), whose sum is σ = 218122716. Its totient is φ = 59352960.

The previous prime is 121673731. The next prime is 121673737. The reversal of 121673732 is 237376121.

It can be written as a sum of positive squares in 2 ways, for example, as 9821956 + 111851776 = 3134^2 + 10576^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (121673731) 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, 370793 + ... + 371120.

It is an arithmetic number, because the mean of its divisors is an integer number (18176893).

Almost surely, 2^121673732 is an apocalyptic number.

It is an amenable number.

121673732 is a deficient number, since it is larger than the sum of its proper divisors (96448984).

121673732 is a wasteful number, since it uses less digits than its factorization.

121673732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741958 (or 741956 counting only the distinct ones).

The product of its digits is 10584, while the sum is 32.

The square root of 121673732 is about 11030.5816709728. The cubic root of 121673732 is about 495.5250450388.

The spelling of 121673732 in words is "one hundred twenty-one million, six hundred seventy-three thousand, seven hundred thirty-two".