102121876 has 12 divisors (see below), whose sum is σ = 184876020. Its totient is φ = 49300160.

The previous prime is 102121871. The next prime is 102121879. The reversal of 102121876 is 678121201.

It can be written as a sum of positive squares in 2 ways, for example, as 32832900 + 69288976 = 5730^2 + 8324^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102121871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 440065 + ... + 440296.

It is an arithmetic number, because the mean of its divisors is an integer number (15406335).

Almost surely, 2^102121876 is an apocalyptic number.

It is an amenable number.

102121876 is a deficient number, since it is larger than the sum of its proper divisors (82754144).

102121876 is a wasteful number, since it uses less digits than its factorization.

102121876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880394 (or 880392 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 102121876 is about 10105.5368981564. The cubic root of 102121876 is about 467.4188918171.

The spelling of 102121876 in words is "one hundred two million, one hundred twenty-one thousand, eight hundred seventy-six".