121958875 has 8 divisors (see below), whose sum is σ = 152204832. Its totient is φ = 97567000.

The previous prime is 121958873. The next prime is 121958897. The reversal of 121958875 is 578859121.

It is not a de Polignac number, because 121958875 - 2¹ = 121958873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121958873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 487711 + ... + 487960.

It is an arithmetic number, because the mean of its divisors is an integer number (19025604).

Almost surely, 2^121958875 is an apocalyptic number.

121958875 is a deficient number, since it is larger than the sum of its proper divisors (30245957).

121958875 is an frugal number, since it uses more digits than its factorization.

121958875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975686 (or 975676 counting only the distinct ones).

The product of its digits is 201600, while the sum is 46.

The square root of 121958875 is about 11043.4992189976. The cubic root of 121958875 is about 495.9118315251.

The spelling of 121958875 in words is "one hundred twenty-one million, nine hundred fifty-eight thousand, eight hundred seventy-five".