102551135 has 8 divisors (see below), whose sum is σ = 128412000. Its totient is φ = 78473824.

The previous prime is 102551117. The next prime is 102551149. The reversal of 102551135 is 531155201.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102551135 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 102551135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 445760 + ... + 445989.

It is an arithmetic number, because the mean of its divisors is an integer number (16051500).

Almost surely, 2^102551135 is an apocalyptic number.

102551135 is a deficient number, since it is larger than the sum of its proper divisors (25860865).

102551135 is an equidigital number, since it uses as much as digits as its factorization.

102551135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891777.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 102551135 is about 10126.7534284192. The cubic root of 102551135 is about 468.0728923767.

The spelling of 102551135 in words is "one hundred two million, five hundred fifty-one thousand, one hundred thirty-five".