1299388274 has 16 divisors (see below), whose sum is σ = 2008866048. Its totient is φ = 629890992.

The previous prime is 1299388261. The next prime is 1299388291. The reversal of 1299388274 is 4728839921.

It is a Curzon number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 10082 + ... + 51965.

It is an arithmetic number, because the mean of its divisors is an integer number (125554128).

Almost surely, 2^1299388274 is an apocalyptic number.

1299388274 is a deficient number, since it is larger than the sum of its proper divisors (709477774).

1299388274 is a wasteful number, since it uses less digits than its factorization.

1299388274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62369.

The product of its digits is 1741824, while the sum is 53.

The square root of 1299388274 is about 36047.0286431489. The cubic root of 1299388274 is about 1091.2216681508.

The spelling of 1299388274 in words is "one billion, two hundred ninety-nine million, three hundred eighty-eight thousand, two hundred seventy-four".