101937389 has 8 divisors (see below), whose sum is σ = 108496440. Its totient is φ = 95440896.

The previous prime is 101937377. The next prime is 101937421. The reversal of 101937389 is 983739101.

It can be written as a sum of positive squares in 4 ways, for example, as 18361225 + 83576164 = 4285^2 + 9142^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 101937389 - 2²⁰ = 100888813 is a prime.

It is a super-2 number, since 2×101937389² = 20782462552274642, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101937359) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12254 + ... + 18815.

It is an arithmetic number, because the mean of its divisors is an integer number (13562055).

Almost surely, 2^101937389 is an apocalyptic number.

It is an amenable number.

101937389 is a deficient number, since it is larger than the sum of its proper divisors (6559051).

101937389 is a wasteful number, since it uses less digits than its factorization.

101937389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31279.

The product of its (nonzero) digits is 40824, while the sum is 41.

The square root of 101937389 is about 10096.4047561496. The cubic root of 101937389 is about 467.1372522306.

The spelling of 101937389 in words is "one hundred one million, nine hundred thirty-seven thousand, three hundred eighty-nine".