102072007 has 4 divisors (see below), whose sum is σ = 102440776. Its totient is φ = 101703240.

The previous prime is 102071993. The next prime is 102072013. The reversal of 102072007 is 700270201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102072007 is a prime.

It is a super-2 number, since 2×102072007² = 20837389226016098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102072107) 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, 183969 + ... + 184522.

It is an arithmetic number, because the mean of its divisors is an integer number (25610194).

Almost surely, 2^102072007 is an apocalyptic number.

102072007 is a deficient number, since it is larger than the sum of its proper divisors (368769).

102072007 is an equidigital number, since it uses as much as digits as its factorization.

102072007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368768.

The product of its (nonzero) digits is 196, while the sum is 19.

The square root of 102072007 is about 10103.0691871332. The cubic root of 102072007 is about 467.3427948080.

The spelling of 102072007 in words is "one hundred two million, seventy-two thousand, seven".