1300920769 has 2 divisors, whose sum is σ = 1300920770. Its totient is φ = 1300920768.

The previous prime is 1300920739. The next prime is 1300920787. The reversal of 1300920769 is 9670290031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1257624369 + 43296400 = 35463^2 + 6580^2 .

It is a cyclic number.

It is not a de Polignac number, because 1300920769 - 2¹¹ = 1300918721 is a prime.

It is a super-3 number, since 3×1300920769³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (1300920739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650460384 + 650460385.

It is an arithmetic number, because the mean of its divisors is an integer number (650460385).

Almost surely, 2^1300920769 is an apocalyptic number.

It is an amenable number.

1300920769 is a deficient number, since it is larger than the sum of its proper divisors (1).

1300920769 is an equidigital number, since it uses as much as digits as its factorization.

1300920769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 1300920769 is about 36068.2792630866. The cubic root of 1300920769 is about 1091.6504942330.

The spelling of 1300920769 in words is "one billion, three hundred million, nine hundred twenty thousand, seven hundred sixty-nine".