1127431793 has 2 divisors, whose sum is σ = 1127431794. Its totient is φ = 1127431792.

The previous prime is 1127431759. The next prime is 1127431841. The reversal of 1127431793 is 3971347211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 972379489 + 155052304 = 31183^2 + 12452^2 .

It is a cyclic number.

It is not a de Polignac number, because 1127431793 - 2²⁰ = 1126383217 is a prime.

It is a super-2 number, since 2×1127431793² = 2542204895734389698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1127431093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 563715896 + 563715897.

It is an arithmetic number, because the mean of its divisors is an integer number (563715897).

Almost surely, 2^1127431793 is an apocalyptic number.

It is an amenable number.

1127431793 is a deficient number, since it is larger than the sum of its proper divisors (1).

1127431793 is an equidigital number, since it uses as much as digits as its factorization.

1127431793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31752, while the sum is 38.

The square root of 1127431793 is about 33577.2511233424. The cubic root of 1127431793 is about 1040.7907549280.

The spelling of 1127431793 in words is "one billion, one hundred twenty-seven million, four hundred thirty-one thousand, seven hundred ninety-three".