1307120537 has 2 divisors, whose sum is σ = 1307120538. Its totient is φ = 1307120536.

The previous prime is 1307120473. The next prime is 1307120557. The reversal of 1307120537 is 7350217031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1286226496 + 20894041 = 35864^2 + 4571^2 .

It is a cyclic number.

It is not a de Polignac number, because 1307120537 - 2⁶ = 1307120473 is a prime.

It is not a weakly prime, because it can be changed into another prime (1307120557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 653560268 + 653560269.

It is an arithmetic number, because the mean of its divisors is an integer number (653560269).

Almost surely, 2^1307120537 is an apocalyptic number.

It is an amenable number.

1307120537 is a deficient number, since it is larger than the sum of its proper divisors (1).

1307120537 is an equidigital number, since it uses as much as digits as its factorization.

1307120537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4410, while the sum is 29.

The square root of 1307120537 is about 36154.1219918283. The cubic root of 1307120537 is about 1093.3818978672.

Adding to 1307120537 its reverse (7350217031), we get a palindrome (8657337568).

The spelling of 1307120537 in words is "one billion, three hundred seven million, one hundred twenty thousand, five hundred thirty-seven".