102231650 has 12 divisors (see below), whose sum is σ = 190150962. Its totient is φ = 40892640.

The previous prime is 102231617. The next prime is 102231697. The reversal of 102231650 is 56132201.

It can be written as a sum of positive squares in 3 ways, for example, as 80263681 + 21967969 = 8959^2 + 4687^2 .

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, 1022267 + ... + 1022366.

Almost surely, 2^102231650 is an apocalyptic number.

102231650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102231650 is a deficient number, since it is larger than the sum of its proper divisors (87919312).

102231650 is a wasteful number, since it uses less digits than its factorization.

102231650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2044645 (or 2044640 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 102231650 is about 10110.9668182622. The cubic root of 102231650 is about 467.5863129070.

Adding to 102231650 its reverse (56132201), we get a palindrome (158363851).

The spelling of 102231650 in words is "one hundred two million, two hundred thirty-one thousand, six hundred fifty".