101938465 has 4 divisors (see below), whose sum is σ = 122326164. Its totient is φ = 81550768.

The previous prime is 101938457. The next prime is 101938471. The reversal of 101938465 is 564839101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 564839101 = 4027 ⋅140263.

It can be written as a sum of positive squares in 2 ways, for example, as 32982049 + 68956416 = 5743^2 + 8304^2 .

It is a cyclic number.

It is not a de Polignac number, because 101938465 - 2³ = 101938457 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10193842 + ... + 10193851.

It is an arithmetic number, because the mean of its divisors is an integer number (30581541).

Almost surely, 2^101938465 is an apocalyptic number.

It is an amenable number.

101938465 is a deficient number, since it is larger than the sum of its proper divisors (20387699).

101938465 is an equidigital number, since it uses as much as digits as its factorization.

101938465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20387698.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 101938465 is about 10096.4580423037. The cubic root of 101938465 is about 467.1388958470.

The spelling of 101938465 in words is "one hundred one million, nine hundred thirty-eight thousand, four hundred sixty-five".