1005287260 has 12 divisors (see below), whose sum is σ = 2111103288. Its totient is φ = 402114896.

The previous prime is 1005287221. The next prime is 1005287263. The reversal of 1005287260 is 627825001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1005287263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25132162 + ... + 25132201.

It is an arithmetic number, because the mean of its divisors is an integer number (175925274).

Almost surely, 2^1005287260 is an apocalyptic number.

1005287260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1005287260 is an abundant number, since it is smaller than the sum of its proper divisors (1105816028).

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

1005287260 is a wasteful number, since it uses less digits than its factorization.

1005287260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50264372 (or 50264370 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 1005287260 is about 31706.2653114491. The cubic root of 1005287260 is about 1001.7593229675.

The spelling of 1005287260 in words is "one billion, five million, two hundred eighty-seven thousand, two hundred sixty".