1305027132 has 24 divisors (see below), whose sum is σ = 3086778576. Its totient is φ = 429049728.

The previous prime is 1305027131. The next prime is 1305027137. The reversal of 1305027132 is 2317205031.

It is a super-2 number, since 2×1305027132² = 3406191630512290848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1305027131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 744003 + ... + 745754.

It is an arithmetic number, because the mean of its divisors is an integer number (128615774).

Almost surely, 2^1305027132 is an apocalyptic number.

1305027132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1305027132 is an abundant number, since it is smaller than the sum of its proper divisors (1781751444).

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

1305027132 is a wasteful number, since it uses less digits than its factorization.

1305027132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1489837 (or 1489835 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 1305027132 is about 36125.1592660849. The cubic root of 1305027132 is about 1092.7978879329.

The spelling of 1305027132 in words is "one billion, three hundred five million, twenty-seven thousand, one hundred thirty-two".