102237090 has 32 divisors (see below), whose sum is σ = 246628800. Its totient is φ = 27123264.

The previous prime is 102237077. The next prime is 102237131. The reversal of 102237090 is 90732201.

It is a self number, because there is not a number n which added to its sum of digits gives 102237090.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2740 + ... + 14559.

It is an arithmetic number, because the mean of its divisors is an integer number (7707150).

Almost surely, 2^102237090 is an apocalyptic number.

102237090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102237090 is an abundant number, since it is smaller than the sum of its proper divisors (144391710).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102237090 is a wasteful number, since it uses less digits than its factorization.

102237090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17506.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 102237090 is about 10111.2358295116. The cubic root of 102237090 is about 467.5946065696.

Adding to 102237090 its reverse (90732201), we get a palindrome (192969291).

The spelling of 102237090 in words is "one hundred two million, two hundred thirty-seven thousand, ninety".