1005103040 has 56 divisors (see below), whose sum is σ = 2519385360. Its totient is φ = 380878848.

The previous prime is 1005103007. The next prime is 1005103063. The reversal of 1005103040 is 403015001.

It is a congruent number.

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, 76577 + ... + 88736.

Almost surely, 2^1005103040 is an apocalyptic number.

1005103040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1005103040 is an abundant number, since it is smaller than the sum of its proper divisors (1514282320).

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

1005103040 is a wasteful number, since it uses less digits than its factorization.

1005103040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165349 (or 165339 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 1005103040 is about 31703.3600742887. The cubic root of 1005103040 is about 1001.6981280622.

Adding to 1005103040 its reverse (403015001), we get a palindrome (1408118041).

It can be divided in two parts, 100510 and 3040, that multiplied together give a square (305550400 = 17480²).

The spelling of 1005103040 in words is "one billion, five million, one hundred three thousand, forty".