124640063 has 4 divisors (see below), whose sum is σ = 124909728. Its totient is φ = 124370400.

The previous prime is 124639993. The next prime is 124640077. The reversal of 124640063 is 360046421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 360046421 = 7 ⋅51435203.

It is a cyclic number.

It is not a de Polignac number, because 124640063 - 2²⁰ = 123591487 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 3 ways as a sum of consecutive naturals, for example, 134138 + ... + 135063.

It is an arithmetic number, because the mean of its divisors is an integer number (31227432).

Almost surely, 2^124640063 is an apocalyptic number.

124640063 is a deficient number, since it is larger than the sum of its proper divisors (269665).

124640063 is an equidigital number, since it uses as much as digits as its factorization.

124640063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269664.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 124640063 is about 11164.2314110735. The cubic root of 124640063 is about 499.5196226230.

Adding to 124640063 its reverse (360046421), we get a palindrome (484686484).

The spelling of 124640063 in words is "one hundred twenty-four million, six hundred forty thousand, sixty-three".