102100874 has 4 divisors (see below), whose sum is σ = 153151314. Its totient is φ = 51050436.

The previous prime is 102100849. The next prime is 102100879. The reversal of 102100874 is 478001201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 478001201 = 43 ⋅11116307.

It can be written as a sum of positive squares in only one way, i.e., 98704225 + 3396649 = 9935^2 + 1843^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (102100879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25525217 + ... + 25525220.

Almost surely, 2^102100874 is an apocalyptic number.

102100874 is a deficient number, since it is larger than the sum of its proper divisors (51050440).

102100874 is an equidigital number, since it uses as much as digits as its factorization.

102100874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51050439.

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 102100874 is about 10104.4977114154. The cubic root of 102100874 is about 467.3868470846.

The spelling of 102100874 in words is "one hundred two million, one hundred thousand, eight hundred seventy-four".