1127697957 has 10 divisors (see below), whose sum is σ = 1684585958. Its totient is φ = 751798584.

The previous prime is 1127697929. The next prime is 1127697983. The reversal of 1127697957 is 7597967211.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 593117316 + 534580641 = 24354^2 + 23121^2 .

It is not a de Polignac number, because 1127697957 - 2⁷ = 1127697829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1127297957) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6961018 + ... + 6961179.

Almost surely, 2^1127697957 is an apocalyptic number.

It is an amenable number.

1127697957 is a deficient number, since it is larger than the sum of its proper divisors (556888001).

1127697957 is an equidigital number, since it uses as much as digits as its factorization.

1127697957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13922209 (or 13922200 counting only the distinct ones).

The product of its digits is 1666980, while the sum is 54.

The square root of 1127697957 is about 33581.2143467147. The cubic root of 1127697957 is about 1040.8726517473.

The spelling of 1127697957 in words is "one billion, one hundred twenty-seven million, six hundred ninety-seven thousand, nine hundred fifty-seven".