1259280993 has 12 divisors (see below), whose sum is σ = 1772064528. Its totient is φ = 795334680.

The previous prime is 1259280991. The next prime is 1259281003. The reversal of 1259280993 is 3990829521.

It is not a de Polignac number, because 1259280993 - 2¹ = 1259280991 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1259280991) 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, 580303 + ... + 582468.

It is an arithmetic number, because the mean of its divisors is an integer number (147672044).

Almost surely, 2^1259280993 is an apocalyptic number.

It is an amenable number.

1259280993 is a deficient number, since it is larger than the sum of its proper divisors (512783535).

1259280993 is a wasteful number, since it uses less digits than its factorization.

1259280993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162812 (or 1162793 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 48.

The square root of 1259280993 is about 35486.3493895892. The cubic root of 1259280993 is about 1079.8768129386.

The spelling of 1259280993 in words is "one billion, two hundred fifty-nine million, two hundred eighty thousand, nine hundred ninety-three".