1259874994 has 16 divisors (see below), whose sum is σ = 2182053888. Its totient is φ = 534379392.

The previous prime is 1259874991. The next prime is 1259875051. The reversal of 1259874994 is 4994789521.

It is not an unprimeable number, because it can be changed into a prime (1259874991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 462514 + ... + 465229.

It is an arithmetic number, because the mean of its divisors is an integer number (136378368).

Almost surely, 2^1259874994 is an apocalyptic number.

1259874994 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1259874994 is a deficient number, since it is larger than the sum of its proper divisors (922178894).

1259874994 is an equidigital number, since it uses as much as digits as its factorization.

1259874994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927849.

The product of its digits is 6531840, while the sum is 58.

The square root of 1259874994 is about 35494.7178323761. The cubic root of 1259874994 is about 1080.0465783524.

The spelling of 1259874994 in words is "one billion, two hundred fifty-nine million, eight hundred seventy-four thousand, nine hundred ninety-four".