101597806 has 4 divisors (see below), whose sum is σ = 152396712. Its totient is φ = 50798902.

The previous prime is 101597789. The next prime is 101597809. The reversal of 101597806 is 608795101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 608795101 = 41 ⋅14848661.

It is a super-2 number, since 2×101597806² = 20644228368027272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101597809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25399450 + ... + 25399453.

It is an arithmetic number, because the mean of its divisors is an integer number (38099178).

Almost surely, 2^101597806 is an apocalyptic number.

101597806 is a deficient number, since it is larger than the sum of its proper divisors (50798906).

101597806 is an equidigital number, since it uses as much as digits as its factorization.

101597806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50798905.

The product of its (nonzero) digits is 15120, while the sum is 37.

The square root of 101597806 is about 10079.5737013030. The cubic root of 101597806 is about 466.6179519444.

The spelling of 101597806 in words is "one hundred one million, five hundred ninety-seven thousand, eight hundred six".