121819732 has 12 divisors (see below), whose sum is σ = 213385536. Its totient is φ = 60852440.

The previous prime is 121819727. The next prime is 121819751. The reversal of 121819732 is 237918121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9394 + ... + 18217.

It is an arithmetic number, because the mean of its divisors is an integer number (17782128).

Almost surely, 2^121819732 is an apocalyptic number.

It is an amenable number.

121819732 is a deficient number, since it is larger than the sum of its proper divisors (91565804).

121819732 is a wasteful number, since it uses less digits than its factorization.

121819732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28718 (or 28716 counting only the distinct ones).

The product of its digits is 6048, while the sum is 34.

The square root of 121819732 is about 11037.1976515780. The cubic root of 121819732 is about 495.7231643252.

The spelling of 121819732 in words is "one hundred twenty-one million, eight hundred nineteen thousand, seven hundred thirty-two".