1299974457 has 8 divisors (see below), whose sum is σ = 1770178176. Its totient is φ = 848210192.

The previous prime is 1299974447. The next prime is 1299974483. The reversal of 1299974457 is 7544799921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1299974457 - 2⁴ = 1299974441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1299974397 and 1299974406.

It is not an unprimeable number, because it can be changed into a prime (1299974447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4609698 + ... + 4609979.

It is an arithmetic number, because the mean of its divisors is an integer number (221272272).

Almost surely, 2^1299974457 is an apocalyptic number.

It is an amenable number.

1299974457 is a deficient number, since it is larger than the sum of its proper divisors (470203719).

1299974457 is an equidigital number, since it uses as much as digits as its factorization.

1299974457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9219727.

The product of its digits is 5715360, while the sum is 57.

The square root of 1299974457 is about 36055.1585352221. The cubic root of 1299974457 is about 1091.3857349506.

The spelling of 1299974457 in words is "one billion, two hundred ninety-nine million, nine hundred seventy-four thousand, four hundred fifty-seven".