105760421 has 4 divisors (see below), whose sum is σ = 113895852. Its totient is φ = 97624992.

The previous prime is 105760409. The next prime is 105760427. The reversal of 105760421 is 124067501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 124067501 = 59 ⋅2102839.

It can be written as a sum of positive squares in 2 ways, for example, as 48455521 + 57304900 = 6961^2 + 7570^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105760421 is a prime.

It is a super-2 number, since 2×105760421² = 22370533300194482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105760427) 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, 4067696 + ... + 4067721.

It is an arithmetic number, because the mean of its divisors is an integer number (28473963).

Almost surely, 2^105760421 is an apocalyptic number.

It is an amenable number.

105760421 is a deficient number, since it is larger than the sum of its proper divisors (8135431).

105760421 is an equidigital number, since it uses as much as digits as its factorization.

105760421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8135430.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 105760421 is about 10283.9885744783. The cubic root of 105760421 is about 472.9055275746.

The spelling of 105760421 in words is "one hundred five million, seven hundred sixty thousand, four hundred twenty-one".