1264130551 has 2 divisors, whose sum is σ = 1264130552. Its totient is φ = 1264130550.

The previous prime is 1264130537. The next prime is 1264130563. The reversal of 1264130551 is 1550314621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1264130551 - 2⁷ = 1264130423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1264130521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 632065275 + 632065276.

It is an arithmetic number, because the mean of its divisors is an integer number (632065276).

Almost surely, 2^1264130551 is an apocalyptic number.

1264130551 is a deficient number, since it is larger than the sum of its proper divisors (1).

1264130551 is an equidigital number, since it uses as much as digits as its factorization.

1264130551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 1264130551 is about 35554.6136387389. The cubic root of 1264130551 is about 1081.2612582565.

The spelling of 1264130551 in words is "one billion, two hundred sixty-four million, one hundred thirty thousand, five hundred fifty-one".