4001240124 has 36 divisors (see below), whose sum is σ = 11559138864. Its totient is φ = 1143211392.

The previous prime is 4001240123. The next prime is 4001240137. The reversal of 4001240124 is 4210421004.

4001240124 is a `hidden beast` number, since 400 + 1 + 240 + 1 + 24 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 4001240097 and 4001240106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4001240123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7938717 + ... + 7939220.

Almost surely, 2^4001240124 is an apocalyptic number.

It is an amenable number.

4001240124 is an abundant number, since it is smaller than the sum of its proper divisors (7557898740).

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

4001240124 is a wasteful number, since it uses less digits than its factorization.

4001240124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15877954 (or 15877949 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 4001240124 is about 63255.3564846488. The cubic root of 4001240124 is about 1587.5650828630.

Adding to 4001240124 its reverse (4210421004), we get a palindrome (8211661128).

The spelling of 4001240124 in words is "four billion, one million, two hundred forty thousand, one hundred twenty-four".