121976 has 16 divisors (see below), whose sum is σ = 232800. Its totient is φ = 59904.

The previous prime is 121967. The next prime is 121993. The reversal of 121976 is 679121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 536 + ... + 728.

It is an arithmetic number, because the mean of its divisors is an integer number (14550).

2¹²¹⁹⁷⁶ is an apocalyptic number.

It is an amenable number.

121976 is a deficient number, since it is larger than the sum of its proper divisors (110824).

121976 is a wasteful number, since it uses less digits than its factorization.

121976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278 (or 274 counting only the distinct ones).

The product of its digits is 756, while the sum is 26.

The square root of 121976 is about 349.2506263416. The cubic root of 121976 is about 49.5935041788.

The spelling of 121976 in words is "one hundred twenty-one thousand, nine hundred seventy-six".