101680901 has 4 divisors (see below), whose sum is σ = 116206752. Its totient is φ = 87155052.

The previous prime is 101680889. The next prime is 101680933. The reversal of 101680901 is 109086101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 109086101 = 37 ⋅2948273.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101680901 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 (101680991) 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, 7262915 + ... + 7262928.

It is an arithmetic number, because the mean of its divisors is an integer number (29051688).

Almost surely, 2^101680901 is an apocalyptic number.

It is an amenable number.

101680901 is a deficient number, since it is larger than the sum of its proper divisors (14525851).

101680901 is an equidigital number, since it uses as much as digits as its factorization.

101680901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14525850.

The product of its (nonzero) digits is 432, while the sum is 26.

The square root of 101680901 is about 10083.6948089478. The cubic root of 101680901 is about 466.7451300607.

The spelling of 101680901 in words is "one hundred one million, six hundred eighty thousand, nine hundred one".