121974 has 16 divisors (see below), whose sum is σ = 252720. Its totient is φ = 39200.

The previous prime is 121967. The next prime is 121993. The reversal of 121974 is 479121.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 121974.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177 + ... + 524.

It is an arithmetic number, because the mean of its divisors is an integer number (15795).

2¹²¹⁹⁷⁴ is an apocalyptic number.

121974 is an abundant number, since it is smaller than the sum of its proper divisors (130746).

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

121974 is a wasteful number, since it uses less digits than its factorization.

121974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735.

The product of its digits is 504, while the sum is 24.

The square root of 121974 is about 349.2477630565. The cubic root of 121974 is about 49.5932331212.

The spelling of 121974 in words is "one hundred twenty-one thousand, nine hundred seventy-four".