101085397 has 4 divisors (see below), whose sum is σ = 115526176. Its totient is φ = 86644620.

The previous prime is 101085373. The next prime is 101085421. The reversal of 101085397 is 793580101.

It is a happy number.

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: 793580101 = 47 ⋅16884683.

It is an interprime number because it is at equal distance from previous prime (101085373) and next prime (101085421).

It is a cyclic number.

It is not a de Polignac number, because 101085397 - 2¹⁵ = 101052629 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 (101085307) 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, 7220379 + ... + 7220392.

It is an arithmetic number, because the mean of its divisors is an integer number (28881544).

Almost surely, 2^101085397 is an apocalyptic number.

It is an amenable number.

101085397 is a deficient number, since it is larger than the sum of its proper divisors (14440779).

101085397 is an equidigital number, since it uses as much as digits as its factorization.

101085397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14440778.

The product of its (nonzero) digits is 7560, while the sum is 34.

The square root of 101085397 is about 10054.1233829708. The cubic root of 101085397 is about 465.8321661626.

The spelling of 101085397 in words is "one hundred one million, eighty-five thousand, three hundred ninety-seven".