101620207 has 12 divisors (see below), whose sum is σ = 111190800. Its totient is φ = 92821248.

The previous prime is 101620177. The next prime is 101620219. The reversal of 101620207 is 702026101.

It is a de Polignac number, because none of the positive numbers 2^k-101620207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101620507) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13294 + ... + 19492.

It is an arithmetic number, because the mean of its divisors is an integer number (9265900).

Almost surely, 2^101620207 is an apocalyptic number.

101620207 is a deficient number, since it is larger than the sum of its proper divisors (9570593).

101620207 is an equidigital number, since it uses as much as digits as its factorization.

101620207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6322 (or 6309 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 101620207 is about 10080.6848477670. The cubic root of 101620207 is about 466.6522438286.

Adding to 101620207 its reverse (702026101), we get a palindrome (803646308).

The spelling of 101620207 in words is "one hundred one million, six hundred twenty thousand, two hundred seven".