121876 has 6 divisors (see below), whose sum is σ = 213290. Its totient is φ = 60936.

The previous prime is 121867. The next prime is 121883. The reversal of 121876 is 678121.

It can be written as a sum of positive squares in only one way, i.e., 104976 + 16900 = 324^2 + 130^2 .

It is a super-3 number, since 3×121876³ = 5430950333128128, which contains 333 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 121876.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15231 + ... + 15238.

2¹²¹⁸⁷⁶ is an apocalyptic number.

It is an amenable number.

121876 is a deficient number, since it is larger than the sum of its proper divisors (91414).

121876 is a wasteful number, since it uses less digits than its factorization.

121876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30473 (or 30471 counting only the distinct ones).

The product of its digits is 672, while the sum is 25.

The square root of 121876 is about 349.1074333210. The cubic root of 121876 is about 49.5799476696.

Adding to 121876 its reverse (678121), we get a palindrome (799997).

The spelling of 121876 in words is "one hundred twenty-one thousand, eight hundred seventy-six".