102750813 has 24 divisors (see below), whose sum is σ = 166292256. Its totient is φ = 60588000.

The previous prime is 102750811. The next prime is 102750827. The reversal of 102750813 is 318057201.

It is not a de Polignac number, because 102750813 - 2¹ = 102750811 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102750811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10363 + ... + 17688.

It is an arithmetic number, because the mean of its divisors is an integer number (6928844).

Almost surely, 2^102750813 is an apocalyptic number.

It is an amenable number.

102750813 is a deficient number, since it is larger than the sum of its proper divisors (63541443).

102750813 is a wasteful number, since it uses less digits than its factorization.

102750813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28105 (or 28102 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 102750813 is about 10136.6075686099. The cubic root of 102750813 is about 468.3764913672.

The spelling of 102750813 in words is "one hundred two million, seven hundred fifty thousand, eight hundred thirteen".