121465928 has 24 divisors (see below), whose sum is σ = 229608390. Its totient is φ = 60240000.

The previous prime is 121465919. The next prime is 121465937. The reversal of 121465928 is 829564121.

It is an interprime number because it is at equal distance from previous prime (121465919) and next prime (121465937).

It can be written as a sum of positive squares in only one way, i.e., 90973444 + 30492484 = 9538^2 + 5522^2 .

It is a junction number, because it is equal to n+sod(n) for n = 121465891 and 121465900.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 483803 + ... + 484053.

Almost surely, 2^121465928 is an apocalyptic number.

It is an amenable number.

121465928 is a deficient number, since it is larger than the sum of its proper divisors (108142462).

121465928 is an equidigital number, since it uses as much as digits as its factorization.

121465928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749 (or 494 counting only the distinct ones).

The product of its digits is 34560, while the sum is 38.

The square root of 121465928 is about 11021.1581968503. The cubic root of 121465928 is about 495.2427853658.

The spelling of 121465928 in words is "one hundred twenty-one million, four hundred sixty-five thousand, nine hundred twenty-eight".