1002005124 has 24 divisors (see below), whose sum is σ = 2342225088. Its totient is φ = 333399840.

The previous prime is 1002005117. The next prime is 1002005141. The reversal of 1002005124 is 4215002001.

1002005124 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68272 + ... + 81639.

It is an arithmetic number, because the mean of its divisors is an integer number (97592712).

Almost surely, 2^1002005124 is an apocalyptic number.

It is an amenable number.

1002005124 is an abundant number, since it is smaller than the sum of its proper divisors (1340219964).

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

1002005124 is a wasteful number, since it uses less digits than its factorization.

1002005124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150475 (or 150473 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 1002005124 is about 31654.4645192428. The cubic root of 1002005124 is about 1000.6679284389.

Adding to 1002005124 its reverse (4215002001), we get a palindrome (5217007125).

The spelling of 1002005124 in words is "one billion, two million, five thousand, one hundred twenty-four".