102551255 has 8 divisors (see below), whose sum is σ = 127031424. Its totient is φ = 79394400.

The previous prime is 102551249. The next prime is 102551269. The reversal of 102551255 is 552155201.

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

It is a de Polignac number, because none of the positive numbers 2^k-102551255 is a prime.

It is a Duffinian number.

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, 330656 + ... + 330965.

It is an arithmetic number, because the mean of its divisors is an integer number (15878928).

Almost surely, 2^102551255 is an apocalyptic number.

102551255 is a deficient number, since it is larger than the sum of its proper divisors (24480169).

102551255 is an equidigital number, since it uses as much as digits as its factorization.

102551255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661657.

The product of its (nonzero) digits is 2500, while the sum is 26.

The square root of 102551255 is about 10126.7593533173. The cubic root of 102551255 is about 468.0730749481.

It can be divided in two parts, 1025 and 51255, that multiplied together give a triangular number (52536375 = T₁₀₂₅₀).

The spelling of 102551255 in words is "one hundred two million, five hundred fifty-one thousand, two hundred fifty-five".