102051650 has 12 divisors (see below), whose sum is σ = 189816162. Its totient is φ = 40820640.

The previous prime is 102051643. The next prime is 102051671. The reversal of 102051650 is 56150201.

It can be written as a sum of positive squares in 3 ways, for example, as 99062209 + 2989441 = 9953^2 + 1729^2 .

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

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, 1020467 + ... + 1020566.

Almost surely, 2^102051650 is an apocalyptic number.

102051650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102051650 is a deficient number, since it is larger than the sum of its proper divisors (87764512).

102051650 is a wasteful number, since it uses less digits than its factorization.

102051650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2041045 (or 2041040 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 102051650 is about 10102.0616707680. The cubic root of 102051650 is about 467.3117241612.

The spelling of 102051650 in words is "one hundred two million, fifty-one thousand, six hundred fifty".