1307288061 has 12 divisors (see below), whose sum is σ = 1890714592. Its totient is φ = 870413256.

The previous prime is 1307288023. The next prime is 1307288077. The reversal of 1307288061 is 1608827031.

It is not a de Polignac number, because 1307288061 - 2¹⁵ = 1307255293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1307288461) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85201 + ... + 99366.

Almost surely, 2^1307288061 is an apocalyptic number.

It is an amenable number.

1307288061 is a deficient number, since it is larger than the sum of its proper divisors (583426531).

1307288061 is a wasteful number, since it uses less digits than its factorization.

1307288061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185360 (or 185357 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 1307288061 is about 36156.4387212015. The cubic root of 1307288061 is about 1093.4286061034.

The spelling of 1307288061 in words is "one billion, three hundred seven million, two hundred eighty-eight thousand, sixty-one".