1155316274 has 16 divisors (see below), whose sum is σ = 1981444416. Its totient is φ = 494910000.

The previous prime is 1155316247. The next prime is 1155316301. The reversal of 1155316274 is 4726135511.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1155316247) and next prime (1155316301).

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15149 + ... + 50399.

It is an arithmetic number, because the mean of its divisors is an integer number (123840276).

Almost surely, 2^1155316274 is an apocalyptic number.

1155316274 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1155316274 is a deficient number, since it is larger than the sum of its proper divisors (826128142).

1155316274 is a wasteful number, since it uses less digits than its factorization.

1155316274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37601.

The product of its digits is 25200, while the sum is 35.

The square root of 1155316274 is about 33989.9437186942. The cubic root of 1155316274 is about 1049.3015079316.

The spelling of 1155316274 in words is "one billion, one hundred fifty-five million, three hundred sixteen thousand, two hundred seventy-four".