105457601 has 4 divisors (see below), whose sum is σ = 109094100. Its totient is φ = 101821104.

The previous prime is 105457591. The next prime is 105457607. The reversal of 105457601 is 106754501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 106754501 = 7 ⋅15250643.

It can be written as a sum of positive squares in 2 ways, for example, as 41473600 + 63984001 = 6440^2 + 7999^2 .

It is a cyclic number.

It is not a de Polignac number, because 105457601 - 2⁶ = 105457537 is a prime.

It is a super-2 number, since 2×105457601² = 22242611217350402, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 3636469 = 105457601 / (1 + 0 + 5 + 4 + 5 + 7 + 6 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105457607) 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, 1818206 + ... + 1818263.

It is an arithmetic number, because the mean of its divisors is an integer number (27273525).

Almost surely, 2^105457601 is an apocalyptic number.

It is an amenable number.

105457601 is a deficient number, since it is larger than the sum of its proper divisors (3636499).

105457601 is an equidigital number, since it uses as much as digits as its factorization.

105457601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3636498.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 105457601 is about 10269.2551336502. The cubic root of 105457601 is about 472.4537449938.

The spelling of 105457601 in words is "one hundred five million, four hundred fifty-seven thousand, six hundred one".