1127256969 has 8 divisors (see below), whose sum is σ = 1504317472. Its totient is φ = 750850560.

The previous prime is 1127256943. The next prime is 1127256971. The reversal of 1127256969 is 9696527211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1127256969 - 2⁹ = 1127256457 is a prime.

It is a super-2 number, since 2×1127256969² = 2541416548318133922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1127256929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159487 + ... + 166404.

It is an arithmetic number, because the mean of its divisors is an integer number (188039684).

Almost surely, 2^1127256969 is an apocalyptic number.

It is an amenable number.

1127256969 is a deficient number, since it is larger than the sum of its proper divisors (377060503).

1127256969 is a wasteful number, since it uses less digits than its factorization.

1127256969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327047.

The product of its digits is 408240, while the sum is 48.

The square root of 1127256969 is about 33574.6477122248. The cubic root of 1127256969 is about 1040.7369557803.

The spelling of 1127256969 in words is "one billion, one hundred twenty-seven million, two hundred fifty-six thousand, nine hundred sixty-nine".