102765055 has 8 divisors (see below), whose sum is σ = 126186192. Its totient is φ = 80299968.

The previous prime is 102765043. The next prime is 102765107. The reversal of 102765055 is 550567201.

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

It is a cyclic number.

It is not a de Polignac number, because 102765055 - 2⁷ = 102764927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 238774 + ... + 239203.

It is an arithmetic number, because the mean of its divisors is an integer number (15773274).

Almost surely, 2^102765055 is an apocalyptic number.

102765055 is a deficient number, since it is larger than the sum of its proper divisors (23421137).

102765055 is an equidigital number, since it uses as much as digits as its factorization.

102765055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478025.

The product of its (nonzero) digits is 10500, while the sum is 31.

The square root of 102765055 is about 10137.3100475422. The cubic root of 102765055 is about 468.3981304816.

The spelling of 102765055 in words is "one hundred two million, seven hundred sixty-five thousand, fifty-five".