102199234 has 16 divisors (see below), whose sum is σ = 156423960. Its totient is φ = 50068480.

The previous prime is 102199213. The next prime is 102199267. The reversal of 102199234 is 432991201.

It can be written as a sum of positive squares in 4 ways, for example, as 22043025 + 80156209 = 4695^2 + 8953^2 .

It is a junction number, because it is equal to n+sod(n) for n = 102199196 and 102199205.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17574 + ... + 22654.

Almost surely, 2^102199234 is an apocalyptic number.

102199234 is a deficient number, since it is larger than the sum of its proper divisors (54224726).

102199234 is a wasteful number, since it uses less digits than its factorization.

102199234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5285.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 102199234 is about 10109.3636792827. The cubic root of 102199234 is about 467.5368863343.

The spelling of 102199234 in words is "one hundred two million, one hundred ninety-nine thousand, two hundred thirty-four".