102813207 has 32 divisors (see below), whose sum is σ = 164198400. Its totient is φ = 55980288.

The previous prime is 102813203. The next prime is 102813209. The reversal of 102813207 is 702318201.

It is not a de Polignac number, because 102813207 - 2² = 102813203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102813203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47043 + ... + 49179.

It is an arithmetic number, because the mean of its divisors is an integer number (5131200).

Almost surely, 2^102813207 is an apocalyptic number.

102813207 is a deficient number, since it is larger than the sum of its proper divisors (61385193).

102813207 is a wasteful number, since it uses less digits than its factorization.

102813207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2255.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 102813207 is about 10139.6847584134. The cubic root of 102813207 is about 468.4712772174.

The spelling of 102813207 in words is "one hundred two million, eight hundred thirteen thousand, two hundred seven".