1173680957 has 2 divisors, whose sum is σ = 1173680958. Its totient is φ = 1173680956.

The previous prime is 1173680929. The next prime is 1173681013. The reversal of 1173680957 is 7590863711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 986839396 + 186841561 = 31414^2 + 13669^2 .

It is a cyclic number.

It is not a de Polignac number, because 1173680957 - 2¹⁴ = 1173664573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1173680927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 586840478 + 586840479.

It is an arithmetic number, because the mean of its divisors is an integer number (586840479).

Almost surely, 2^1173680957 is an apocalyptic number.

It is an amenable number.

1173680957 is a deficient number, since it is larger than the sum of its proper divisors (1).

1173680957 is an equidigital number, since it uses as much as digits as its factorization.

1173680957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 317520, while the sum is 47.

The square root of 1173680957 is about 34259.0273796557. The cubic root of 1173680957 is about 1054.8321369905.

The spelling of 1173680957 in words is "one billion, one hundred seventy-three million, six hundred eighty thousand, nine hundred fifty-seven".