102612643 has 8 divisors (see below), whose sum is σ = 121315680. Its totient is φ = 84920640.

The previous prime is 102612613. The next prime is 102612659. The reversal of 102612643 is 346216201.

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

It is not a de Polignac number, because 102612643 - 2²⁵ = 69058211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102612613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252538 + ... + 252943.

It is an arithmetic number, because the mean of its divisors is an integer number (15164460).

Almost surely, 2^102612643 is an apocalyptic number.

102612643 is a deficient number, since it is larger than the sum of its proper divisors (18703037).

102612643 is an equidigital number, since it uses as much as digits as its factorization.

102612643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505517.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 102612643 is about 10129.7898793608. The cubic root of 102612643 is about 468.1664537448.

Adding to 102612643 its reverse (346216201), we get a palindrome (448828844).

It can be divided in two parts, 1026126 and 43, that added together give a square (1026169 = 1013²).

The spelling of 102612643 in words is "one hundred two million, six hundred twelve thousand, six hundred forty-three".