124801040 has 240 divisors, whose sum is σ = 379975680. Its totient is φ = 37739520.

The previous prime is 124800997. The next prime is 124801043. The reversal of 124801040 is 40108421.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124801043) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1579721 + ... + 1579799.

It is an arithmetic number, because the mean of its divisors is an integer number (1583232).

Almost surely, 2^124801040 is an apocalyptic number.

124801040 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 124801040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189987840).

124801040 is an abundant number, since it is smaller than the sum of its proper divisors (255174640).

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

124801040 is a wasteful number, since it uses less digits than its factorization.

124801040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 124801040 is about 11171.4385823850. The cubic root of 124801040 is about 499.7345791285.

Adding to 124801040 its reverse (40108421), we get a palindrome (164909461).

The spelling of 124801040 in words is "one hundred twenty-four million, eight hundred one thousand, forty".