1260743587 has 12 divisors (see below), whose sum is σ = 1308464976. Its totient is φ = 1214624160.

The previous prime is 1260743581. The next prime is 1260743591. The reversal of 1260743587 is 7853470621.

It is not a de Polignac number, because 1260743587 - 2²³ = 1252354979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1260743581) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 136537 + ... + 145477.

It is an arithmetic number, because the mean of its divisors is an integer number (109038748).

Almost surely, 2^1260743587 is an apocalyptic number.

1260743587 is a deficient number, since it is larger than the sum of its proper divisors (47721389).

1260743587 is an equidigital number, since it uses as much as digits as its factorization.

1260743587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9118 (or 9081 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 43.

The square root of 1260743587 is about 35506.9512490160. The cubic root of 1260743587 is about 1080.2947260908.

The spelling of 1260743587 in words is "one billion, two hundred sixty million, seven hundred forty-three thousand, five hundred eighty-seven".