124983840 has 96 divisors (see below), whose sum is σ = 410852736. Its totient is φ = 31877120.

The previous prime is 124983797. The next prime is 124983841. The reversal of 124983840 is 48389421.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×124983840² = 31241920522291200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (124983841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5380 + ... + 16700.

It is an arithmetic number, because the mean of its divisors is an integer number (4279716).

Almost surely, 2^124983840 is an apocalyptic number.

124983840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 124983840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205426368).

124983840 is an abundant number, since it is smaller than the sum of its proper divisors (285868896).

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

124983840 is a wasteful number, since it uses less digits than its factorization.

124983840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11362 (or 11354 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 124983840 is about 11179.6171669695. The cubic root of 124983840 is about 499.9784524047.

The spelling of 124983840 in words is "one hundred twenty-four million, nine hundred eighty-three thousand, eight hundred forty".