121806732 has 12 divisors (see below), whose sum is σ = 284215736. Its totient is φ = 40602240.

The previous prime is 121806721. The next prime is 121806743. The reversal of 121806732 is 237608121.

It is an interprime number because it is at equal distance from previous prime (121806721) and next prime (121806743).

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 121806732.

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, 5075269 + ... + 5075292.

Almost surely, 2^121806732 is an apocalyptic number.

121806732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121806732 is an abundant number, since it is smaller than the sum of its proper divisors (162409004).

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

121806732 is a wasteful number, since it uses less digits than its factorization.

121806732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10150568 (or 10150566 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 121806732 is about 11036.6087182612. The cubic root of 121806732 is about 495.7055299888.

The spelling of 121806732 in words is "one hundred twenty-one million, eight hundred six thousand, seven hundred thirty-two".