1260581951 has 2 divisors, whose sum is σ = 1260581952. Its totient is φ = 1260581950.

The previous prime is 1260581939. The next prime is 1260581963. The reversal of 1260581951 is 1591850621.

It is a balanced prime because it is at equal distance from previous prime (1260581939) and next prime (1260581963).

It is a cyclic number.

It is not a de Polignac number, because 1260581951 - 2¹⁰ = 1260580927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1260581051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 630290975 + 630290976.

It is an arithmetic number, because the mean of its divisors is an integer number (630290976).

Almost surely, 2^1260581951 is an apocalyptic number.

1260581951 is a deficient number, since it is larger than the sum of its proper divisors (1).

1260581951 is an equidigital number, since it uses as much as digits as its factorization.

1260581951 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 38.

The square root of 1260581951 is about 35504.6750583638. The cubic root of 1260581951 is about 1080.2485570460.

The spelling of 1260581951 in words is "one billion, two hundred sixty million, five hundred eighty-one thousand, nine hundred fifty-one".