102252807 has 16 divisors (see below), whose sum is σ = 160397280. Its totient is φ = 64158336.

The previous prime is 102252803. The next prime is 102252833. The reversal of 102252807 is 708252201.

It is not a de Polignac number, because 102252807 - 2² = 102252803 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102252803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110928 + ... + 111845.

It is an arithmetic number, because the mean of its divisors is an integer number (10024830).

Almost surely, 2^102252807 is an apocalyptic number.

102252807 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

102252807 is a deficient number, since it is larger than the sum of its proper divisors (58144473).

102252807 is a wasteful number, since it uses less digits than its factorization.

102252807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222799 (or 222793 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 102252807 is about 10112.0130043429. The cubic root of 102252807 is about 467.6185665886.

The spelling of 102252807 in words is "one hundred two million, two hundred fifty-two thousand, eight hundred seven".