121178875 has 8 divisors (see below), whose sum is σ = 151231392. Its totient is φ = 96943000.

The previous prime is 121178843. The next prime is 121178887. The reversal of 121178875 is 578871121.

It is not a de Polignac number, because 121178875 - 2⁵ = 121178843 is a prime.

It is a Duffinian number.

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, 484591 + ... + 484840.

It is an arithmetic number, because the mean of its divisors is an integer number (18903924).

Almost surely, 2^121178875 is an apocalyptic number.

121178875 is a deficient number, since it is larger than the sum of its proper divisors (30052517).

121178875 is an frugal number, since it uses more digits than its factorization.

121178875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969446 (or 969436 counting only the distinct ones).

The product of its digits is 31360, while the sum is 40.

The square root of 121178875 is about 11008.1276791287. The cubic root of 121178875 is about 494.8523519781.

The spelling of 121178875 in words is "one hundred twenty-one million, one hundred seventy-eight thousand, eight hundred seventy-five".