1307091252 has 24 divisors (see below), whose sum is σ = 3050514432. Its totient is φ = 435606400.

The previous prime is 1307091217. The next prime is 1307091281. The reversal of 1307091252 is 2521907031.

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, 75052 + ... + 90812.

It is an arithmetic number, because the mean of its divisors is an integer number (127104768).

Almost surely, 2^1307091252 is an apocalyptic number.

1307091252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1307091252 is an abundant number, since it is smaller than the sum of its proper divisors (1743423180).

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

1307091252 is a wasteful number, since it uses less digits than its factorization.

1307091252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22679 (or 22677 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 1307091252 is about 36153.7169873306. The cubic root of 1307091252 is about 1093.3737323545.

Adding to 1307091252 its reverse (2521907031), we get a palindrome (3828998283).

The spelling of 1307091252 in words is "one billion, three hundred seven million, ninety-one thousand, two hundred fifty-two".