102100850 has 12 divisors (see below), whose sum is σ = 189907674. Its totient is φ = 40840320.

The previous prime is 102100849. The next prime is 102100879. The reversal of 102100850 is 58001201.

It can be written as a sum of positive squares in 3 ways, for example, as 49378729 + 52722121 = 7027^2 + 7261^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1020959 + ... + 1021058.

Almost surely, 2^102100850 is an apocalyptic number.

102100850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102100850 is a deficient number, since it is larger than the sum of its proper divisors (87806824).

102100850 is a wasteful number, since it uses less digits than its factorization.

102100850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2042029 (or 2042024 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 102100850 is about 10104.4965238254. The cubic root of 102100850 is about 467.3868104631.

The spelling of 102100850 in words is "one hundred two million, one hundred thousand, eight hundred fifty".