124172340 has 48 divisors (see below), whose sum is σ = 349516608. Its totient is φ = 32937984.

The previous prime is 124172317. The next prime is 124172351. The reversal of 124172340 is 43271421.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 124172340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6219 + ... + 16941.

It is an arithmetic number, because the mean of its divisors is an integer number (7281596).

Almost surely, 2^124172340 is an apocalyptic number.

124172340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124172340 is an abundant number, since it is smaller than the sum of its proper divisors (225344268).

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

124172340 is a wasteful number, since it uses less digits than its factorization.

124172340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10928 (or 10926 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 124172340 is about 11143.2643332194. The cubic root of 124172340 is about 498.8940087037.

The spelling of 124172340 in words is "one hundred twenty-four million, one hundred seventy-two thousand, three hundred forty".