121646132 has 12 divisors (see below), whose sum is σ = 224085120. Its totient is φ = 57621816.

The previous prime is 121646123. The next prime is 121646143. The reversal of 121646132 is 231646121.

It is a super-2 number, since 2×121646132² = 29595562861122848, which contains 22 as substring.

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, 800228 + ... + 800379.

It is an arithmetic number, because the mean of its divisors is an integer number (18673760).

Almost surely, 2^121646132 is an apocalyptic number.

It is an amenable number.

121646132 is a deficient number, since it is larger than the sum of its proper divisors (102438988).

121646132 is a wasteful number, since it uses less digits than its factorization.

121646132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1600630 (or 1600628 counting only the distinct ones).

The product of its digits is 1728, while the sum is 26.

The square root of 121646132 is about 11029.3305327205. The cubic root of 121646132 is about 495.4875745422.

The spelling of 121646132 in words is "one hundred twenty-one million, six hundred forty-six thousand, one hundred thirty-two".