124673940 has 72 divisors (see below), whose sum is σ = 390394368. Its totient is φ = 32172480.

The previous prime is 124673921. The next prime is 124673963. The reversal of 124673940 is 49376421.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 124673895 and 124673904.

It is a congruent number.

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, 5592 + ... + 16751.

It is an arithmetic number, because the mean of its divisors is an integer number (5422144).

Almost surely, 2^124673940 is an apocalyptic number.

124673940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124673940 is an abundant number, since it is smaller than the sum of its proper divisors (265720428).

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

124673940 is a wasteful number, since it uses less digits than its factorization.

124673940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22389 (or 22384 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 124673940 is about 11165.7485194679. The cubic root of 124673940 is about 499.5648747753.

The spelling of 124673940 in words is "one hundred twenty-four million, six hundred seventy-three thousand, nine hundred forty".