124552540 has 96 divisors (see below), whose sum is σ = 322237440. Its totient is φ = 39465984.

The previous prime is 124552529. The next prime is 124552579. The reversal of 124552540 is 45255421.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 124552499 and 124552508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 139977 + ... + 140863.

It is an arithmetic number, because the mean of its divisors is an integer number (3356640).

Almost surely, 2^124552540 is an apocalyptic number.

124552540 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 124552540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161118720).

124552540 is an abundant number, since it is smaller than the sum of its proper divisors (197684900).

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

124552540 is a wasteful number, since it uses less digits than its factorization.

124552540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979 (or 977 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 124552540 is about 11160.3109275683. The cubic root of 124552540 is about 499.4026733526.

The spelling of 124552540 in words is "one hundred twenty-four million, five hundred fifty-two thousand, five hundred forty".