1260225019 has 2 divisors, whose sum is σ = 1260225020. Its totient is φ = 1260225018.

The previous prime is 1260224981. The next prime is 1260225041. The reversal of 1260225019 is 9105220621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1260225019 - 2²⁵ = 1226670587 is a prime.

It is a super-2 number, since 2×1260225019² = 3176334197027100722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1260225049) 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, 630112509 + 630112510.

It is an arithmetic number, because the mean of its divisors is an integer number (630112510).

Almost surely, 2^1260225019 is an apocalyptic number.

1260225019 is a deficient number, since it is larger than the sum of its proper divisors (1).

1260225019 is an equidigital number, since it uses as much as digits as its factorization.

1260225019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 1260225019 is about 35499.6481531860. The cubic root of 1260225019 is about 1080.1465904702.

The spelling of 1260225019 in words is "one billion, two hundred sixty million, two hundred twenty-five thousand, nineteen".