1157317067 has 4 divisors (see below), whose sum is σ = 1157854776. Its totient is φ = 1156779360.

The previous prime is 1157317061. The next prime is 1157317069. The reversal of 1157317067 is 7607137511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7607137511 = 33581 ⋅226531.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1157317067 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1157317067.

It is not an unprimeable number, because it can be changed into a prime (1157317061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265613 + ... + 269934.

It is an arithmetic number, because the mean of its divisors is an integer number (289463694).

Almost surely, 2^1157317067 is an apocalyptic number.

1157317067 is a deficient number, since it is larger than the sum of its proper divisors (537709).

1157317067 is an equidigital number, since it uses as much as digits as its factorization.

1157317067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537708.

The product of its (nonzero) digits is 30870, while the sum is 38.

The square root of 1157317067 is about 34019.3631186711. The cubic root of 1157317067 is about 1049.9068903075.

The spelling of 1157317067 in words is "one billion, one hundred fifty-seven million, three hundred seventeen thousand, sixty-seven".