1002400124 has 12 divisors (see below), whose sum is σ = 1913673048. Its totient is φ = 455636400.

The previous prime is 1002400031. The next prime is 1002400163. The reversal of 1002400124 is 4210042001.

It is a junction number, because it is equal to n+sod(n) for n = 1002400099 and 1002400108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11390867 + ... + 11390954.

It is an arithmetic number, because the mean of its divisors is an integer number (159472754).

Almost surely, 2^1002400124 is an apocalyptic number.

It is an amenable number.

1002400124 is a deficient number, since it is larger than the sum of its proper divisors (911272924).

1002400124 is a wasteful number, since it uses less digits than its factorization.

1002400124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22781836 (or 22781834 counting only the distinct ones).

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

The square root of 1002400124 is about 31660.7031507514. The cubic root of 1002400124 is about 1000.7994021193.

Adding to 1002400124 its reverse (4210042001), we get a palindrome (5212442125).

The spelling of 1002400124 in words is "one billion, two million, four hundred thousand, one hundred twenty-four".