4001200124 has 6 divisors (see below), whose sum is σ = 7002100224. Its totient is φ = 2000600060.

The previous prime is 4001200123. The next prime is 4001200169. The reversal of 4001200124 is 4210021004.

It is a junction number, because it is equal to n+sod(n) for n = 4001200099 and 4001200108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4001200123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500150012 + ... + 500150019.

It is an arithmetic number, because the mean of its divisors is an integer number (1167016704).

Almost surely, 2^4001200124 is an apocalyptic number.

It is an amenable number.

4001200124 is a deficient number, since it is larger than the sum of its proper divisors (3000900100).

4001200124 is a wasteful number, since it uses less digits than its factorization.

4001200124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000300035 (or 1000300033 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 4001200124 is about 63255.0403051014. The cubic root of 4001200124 is about 1587.5597926019.

Adding to 4001200124 its reverse (4210021004), we get a palindrome (8211221128).

The spelling of 4001200124 in words is "four billion, one million, two hundred thousand, one hundred twenty-four".