124640053 has 8 divisors (see below), whose sum is σ = 126168728. Its totient is φ = 123116544.

The previous prime is 124639993. The next prime is 124640077. The reversal of 124640053 is 350046421.

It can be written as a sum of positive squares in 4 ways, for example, as 16957924 + 107682129 = 4118^2 + 10377^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 124640053 - 2¹³ = 124631861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124640093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70225 + ... + 71977.

It is an arithmetic number, because the mean of its divisors is an integer number (15771091).

Almost surely, 2^124640053 is an apocalyptic number.

It is an amenable number.

124640053 is a deficient number, since it is larger than the sum of its proper divisors (1528675).

124640053 is an equidigital number, since it uses as much as digits as its factorization.

124640053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2583.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 124640053 is about 11164.2309632146. The cubic root of 124640053 is about 499.5196092640.

Adding to 124640053 its reverse (350046421), we get a palindrome (474686474).

The spelling of 124640053 in words is "one hundred twenty-four million, six hundred forty thousand, fifty-three".