124553045 has 4 divisors (see below), whose sum is σ = 149463660. Its totient is φ = 99642432.

The previous prime is 124553017. The next prime is 124553047. The reversal of 124553045 is 540355421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 75916369 + 48636676 = 8713^2 + 6974^2 .

It is a cyclic number.

It is not a de Polignac number, because 124553045 - 2¹⁴ = 124536661 is a prime.

It is a super-2 number, since 2×124553045² = 31026922037544050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 124552999 and 124553017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124553047) 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, 12455300 + ... + 12455309.

It is an arithmetic number, because the mean of its divisors is an integer number (37365915).

Almost surely, 2^124553045 is an apocalyptic number.

It is an amenable number.

124553045 is a deficient number, since it is larger than the sum of its proper divisors (24910615).

124553045 is an equidigital number, since it uses as much as digits as its factorization.

124553045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24910614.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 124553045 is about 11160.3335523630. Note that the first 3 decimals coincide. The cubic root of 124553045 is about 499.4033482967.

The spelling of 124553045 in words is "one hundred twenty-four million, five hundred fifty-three thousand, forty-five".