121806874 has 64 divisors (see below), whose sum is σ = 226271232. Its totient is φ = 48081600.

The previous prime is 121806869. The next prime is 121806889. The reversal of 121806874 is 478608121.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1138329 + ... + 1138435.

It is an arithmetic number, because the mean of its divisors is an integer number (3535488).

Almost surely, 2^121806874 is an apocalyptic number.

121806874 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

121806874 is a deficient number, since it is larger than the sum of its proper divisors (104464358).

121806874 is a wasteful number, since it uses less digits than its factorization.

121806874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251.

The product of its (nonzero) digits is 21504, while the sum is 37.

The square root of 121806874 is about 11036.6151513949. The cubic root of 121806874 is about 495.7057226168.

The spelling of 121806874 in words is "one hundred twenty-one million, eight hundred six thousand, eight hundred seventy-four".