124083945 has 24 divisors (see below), whose sum is σ = 215449416. Its totient is φ = 66064128.

The previous prime is 124083937. The next prime is 124083961. The reversal of 124083945 is 549380421.

It can be written as a sum of positive squares in 4 ways, for example, as 23503104 + 100580841 = 4848^2 + 10029^2 .

It is not a de Polignac number, because 124083945 - 2³ = 124083937 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28429 + ... + 32501.

It is an arithmetic number, because the mean of its divisors is an integer number (8977059).

Almost surely, 2^124083945 is an apocalyptic number.

124083945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

124083945 is a deficient number, since it is larger than the sum of its proper divisors (91365471).

124083945 is a wasteful number, since it uses less digits than its factorization.

124083945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4761 (or 4758 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 124083945 is about 11139.2973297242. The cubic root of 124083945 is about 498.7755974576.

The spelling of 124083945 in words is "one hundred twenty-four million, eighty-three thousand, nine hundred forty-five".