124745418 has 24 divisors (see below), whose sum is σ = 308893728. Its totient is φ = 35641512.

The previous prime is 124745407. The next prime is 124745419. The reversal of 124745418 is 814547421.

It is a happy number.

It is a super-2 number, since 2×124745418² = 31122838623989448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (124745419) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 494896 + ... + 495147.

It is an arithmetic number, because the mean of its divisors is an integer number (12870572).

Almost surely, 2^124745418 is an apocalyptic number.

124745418 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

124745418 is an abundant number, since it is smaller than the sum of its proper divisors (184148310).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

124745418 is a wasteful number, since it uses less digits than its factorization.

124745418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990058 (or 990055 counting only the distinct ones).

The product of its digits is 35840, while the sum is 36.

The square root of 124745418 is about 11168.9488314702. The cubic root of 124745418 is about 499.6603266296.

It can be divided in two parts, 1247 and 45418, that added together give a triangular number (46665 = T₃₀₅).

The spelling of 124745418 in words is "one hundred twenty-four million, seven hundred forty-five thousand, four hundred eighteen".