102505701 has 4 divisors (see below), whose sum is σ = 136674272. Its totient is φ = 68337132.

The previous prime is 102505693. The next prime is 102505717. The reversal of 102505701 is 107505201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 102505701 - 2³ = 102505693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102505721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17084281 + ... + 17084286.

It is an arithmetic number, because the mean of its divisors is an integer number (34168568).

Almost surely, 2^102505701 is an apocalyptic number.

It is an amenable number.

102505701 is a deficient number, since it is larger than the sum of its proper divisors (34168571).

102505701 is an equidigital number, since it uses as much as digits as its factorization.

102505701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34168570.

The product of its (nonzero) digits is 350, while the sum is 21.

The square root of 102505701 is about 10124.5099140650. The cubic root of 102505701 is about 468.0037575489.

It can be divided in two parts, 10250 and 5701, that added together give a palindrome (15951).

The spelling of 102505701 in words is "one hundred two million, five hundred five thousand, seven hundred one".