1005261560 has 32 divisors (see below), whose sum is σ = 2281865040. Its totient is φ = 398544384.

The previous prime is 1005261553. The next prime is 1005261599. The reversal of 1005261560 is 651625001.

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, 106682 + ... + 115721.

Almost surely, 2^1005261560 is an apocalyptic number.

1005261560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1005261560 is an abundant number, since it is smaller than the sum of its proper divisors (1276603480).

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

1005261560 is a wasteful number, since it uses less digits than its factorization.

1005261560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222527 (or 222523 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 1005261560 is about 31705.8600261844. The cubic root of 1005261560 is about 1001.7507862918.

Adding to 1005261560 its reverse (651625001), we get a palindrome (1656886561).

The spelling of 1005261560 in words is "one billion, five million, two hundred sixty-one thousand, five hundred sixty".