124745340 has 48 divisors (see below), whose sum is σ = 350233632. Its totient is φ = 33175296.

The previous prime is 124745297. The next prime is 124745351. The reversal of 124745340 is 43547421.

It is a super-2 number, since 2×124745340² = 31122799703431200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 124745298 and 124745307.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21202 + ... + 26438.

It is an arithmetic number, because the mean of its divisors is an integer number (7296534).

Almost surely, 2^124745340 is an apocalyptic number.

124745340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124745340 is an abundant number, since it is smaller than the sum of its proper divisors (225488292).

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

124745340 is a wasteful number, since it uses less digits than its factorization.

124745340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5646 (or 5644 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 124745340 is about 11168.9453396460. The cubic root of 124745340 is about 499.6602224881.

The spelling of 124745340 in words is "one hundred twenty-four million, seven hundred forty-five thousand, three hundred forty".