121614440 has 32 divisors (see below), whose sum is σ = 288036000. Its totient is φ = 46085184.

The previous prime is 121614407. The next prime is 121614473. The reversal of 121614440 is 44416121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (121614407) and next prime (121614473).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79250 + ... + 80769.

It is an arithmetic number, because the mean of its divisors is an integer number (9001125).

Almost surely, 2^121614440 is an apocalyptic number.

121614440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121614440 is an abundant number, since it is smaller than the sum of its proper divisors (166421560).

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

121614440 is a wasteful number, since it uses less digits than its factorization.

121614440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160049 (or 160045 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 121614440 is about 11027.8937245514. The cubic root of 121614440 is about 495.4445416461. Note that the first 3 decimals are identical.

The spelling of 121614440 in words is "one hundred twenty-one million, six hundred fourteen thousand, four hundred forty".