124745453 has 4 divisors (see below), whose sum is σ = 142566240. Its totient is φ = 106924668.

The previous prime is 124745447. The next prime is 124745461. The reversal of 124745453 is 354547421.

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: 354547421 = 877 ⋅404273.

It is a cyclic number.

It is not a de Polignac number, because 124745453 - 2¹⁶ = 124679917 is a prime.

It is a super-2 number, since 2×124745453² = 31122856088350418, 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 (124745653) 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, 8910383 + ... + 8910396.

It is an arithmetic number, because the mean of its divisors is an integer number (35641560).

Almost surely, 2^124745453 is an apocalyptic number.

It is an amenable number.

124745453 is a deficient number, since it is larger than the sum of its proper divisors (17820787).

124745453 is an equidigital number, since it uses as much as digits as its factorization.

124745453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17820786.

The product of its digits is 67200, while the sum is 35.

The square root of 124745453 is about 11168.9503983141. The cubic root of 124745453 is about 499.6603733597.

The spelling of 124745453 in words is "one hundred twenty-four million, seven hundred forty-five thousand, four hundred fifty-three".