102040850 has 24 divisors (see below), whose sum is σ = 196343460. Its totient is φ = 39408320.

The previous prime is 102040843. The next prime is 102040853. The reversal of 102040850 is 58040201.

It can be written as a sum of positive squares in 6 ways, for example, as 8473921 + 93566929 = 2911^2 + 9673^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (102040853) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33737 + ... + 36636.

Almost surely, 2^102040850 is an apocalyptic number.

102040850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102040850 is a deficient number, since it is larger than the sum of its proper divisors (94302610).

102040850 is a wasteful number, since it uses less digits than its factorization.

102040850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70414 (or 70409 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 102040850 is about 10101.5271122737. The cubic root of 102040850 is about 467.2952385723.

The spelling of 102040850 in words is "one hundred two million, forty thousand, eight hundred fifty".