102010207 has 4 divisors (see below), whose sum is σ = 109857160. Its totient is φ = 94163256.

The previous prime is 102010199. The next prime is 102010231. The reversal of 102010207 is 702010201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 702010201 = 107 ⋅6560843.

It is a cyclic number.

It is not a de Polignac number, because 102010207 - 2³ = 102010199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 7846939 = 102010207 / (1 + 0 + 2 + 0 + 1 + 0 + 2 + 0 + 7).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102010277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3923457 + ... + 3923482.

It is an arithmetic number, because the mean of its divisors is an integer number (27464290).

Almost surely, 2^102010207 is an apocalyptic number.

102010207 is a deficient number, since it is larger than the sum of its proper divisors (7846953).

102010207 is an equidigital number, since it uses as much as digits as its factorization.

102010207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7846952.

The product of its (nonzero) digits is 28, while the sum is 13.

The square root of 102010207 is about 10100.0102475196. The cubic root of 102010207 is about 467.2484574331.

Adding to 102010207 its reverse (702010201), we get a palindrome (804020408).

The spelling of 102010207 in words is "one hundred two million, ten thousand, two hundred seven".