102650642 has 8 divisors (see below), whose sum is σ = 155706300. Its totient is φ = 50748544.

The previous prime is 102650621. The next prime is 102650657. The reversal of 102650642 is 246056201.

It can be written as a sum of positive squares in 2 ways, for example, as 85914361 + 16736281 = 9269^2 + 4091^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 288167 + ... + 288522.

Almost surely, 2^102650642 is an apocalyptic number.

102650642 is a deficient number, since it is larger than the sum of its proper divisors (53055658).

102650642 is an equidigital number, since it uses as much as digits as its factorization.

102650642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576780.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 102650642 is about 10131.6653122771. The cubic root of 102650642 is about 468.2242362982.

The spelling of 102650642 in words is "one hundred two million, six hundred fifty thousand, six hundred forty-two".