102121874 has 8 divisors (see below), whose sum is σ = 158124288. Its totient is φ = 49413780.

The previous prime is 102121871. The next prime is 102121879. The reversal of 102121874 is 478121201.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 823502 + ... + 823625.

It is an arithmetic number, because the mean of its divisors is an integer number (19765536).

Almost surely, 2^102121874 is an apocalyptic number.

102121874 is a deficient number, since it is larger than the sum of its proper divisors (56002414).

102121874 is a wasteful number, since it uses less digits than its factorization.

102121874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1647160.

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 102121874 is about 10105.5367992007. The cubic root of 102121874 is about 467.4188887658.

The spelling of 102121874 in words is "one hundred two million, one hundred twenty-one thousand, eight hundred seventy-four".