102090651 has 16 divisors (see below), whose sum is σ = 146791680. Its totient is φ = 62739360.

The previous prime is 102090617. The next prime is 102090683. The reversal of 102090651 is 156090201.

It is not a de Polignac number, because 102090651 - 2¹⁰ = 102089627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102091651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38940 + ... + 41478.

It is an arithmetic number, because the mean of its divisors is an integer number (9174480).

Almost surely, 2^102090651 is an apocalyptic number.

102090651 is a deficient number, since it is larger than the sum of its proper divisors (44701029).

102090651 is a wasteful number, since it uses less digits than its factorization.

102090651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3586.

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 102090651 is about 10103.9918349136. The cubic root of 102090651 is about 467.3712472991.

The spelling of 102090651 in words is "one hundred two million, ninety thousand, six hundred fifty-one".