1317215092 has 6 divisors (see below), whose sum is σ = 2305126418. Its totient is φ = 658607544.

The previous prime is 1317215051. The next prime is 1317215113. The reversal of 1317215092 is 2905127131.

It can be written as a sum of positive squares in only one way, i.e., 1303643236 + 13571856 = 36106^2 + 3684^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164651883 + ... + 164651890.

Almost surely, 2^1317215092 is an apocalyptic number.

It is an amenable number.

1317215092 is a deficient number, since it is larger than the sum of its proper divisors (987911326).

1317215092 is a wasteful number, since it uses less digits than its factorization.

1317215092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329303777 (or 329303775 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 31.

The square root of 1317215092 is about 36293.4579779883. The cubic root of 1317215092 is about 1096.1893187531.

The spelling of 1317215092 in words is "one billion, three hundred seventeen million, two hundred fifteen thousand, ninety-two".