102605001 has 16 divisors (see below), whose sum is σ = 146240640. Its totient is φ = 63831680.

The previous prime is 102604993. The next prime is 102605003. The reversal of 102605001 is 100506201.

It is a cyclic number.

It is not a de Polignac number, because 102605001 - 2³ = 102604993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102605003) 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, 15306 + ... + 20963.

It is an arithmetic number, because the mean of its divisors is an integer number (9140040).

Almost surely, 2^102605001 is an apocalyptic number.

It is an amenable number.

102605001 is a deficient number, since it is larger than the sum of its proper divisors (43635639).

102605001 is a wasteful number, since it uses less digits than its factorization.

102605001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36336.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 102605001 is about 10129.4126680672. The cubic root of 102605001 is about 468.1548313405.

The spelling of 102605001 in words is "one hundred two million, six hundred five thousand, one".