1161970937 has 2 divisors, whose sum is σ = 1161970938. Its totient is φ = 1161970936.

The previous prime is 1161970921. The next prime is 1161970939. The reversal of 1161970937 is 7390791611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 767511616 + 394459321 = 27704^2 + 19861^2 .

It is a cyclic number.

It is not a de Polignac number, because 1161970937 - 2⁴ = 1161970921 is a prime.

Together with 1161970939, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1161970939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 580985468 + 580985469.

It is an arithmetic number, because the mean of its divisors is an integer number (580985469).

Almost surely, 2^1161970937 is an apocalyptic number.

It is an amenable number.

1161970937 is a deficient number, since it is larger than the sum of its proper divisors (1).

1161970937 is an equidigital number, since it uses as much as digits as its factorization.

1161970937 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 71442, while the sum is 44.

The square root of 1161970937 is about 34087.6948032571. The cubic root of 1161970937 is about 1051.3123234565.

The spelling of 1161970937 in words is "one billion, one hundred sixty-one million, nine hundred seventy thousand, nine hundred thirty-seven".