1127754157 has 2 divisors, whose sum is σ = 1127754158. Its totient is φ = 1127754156.

The previous prime is 1127754149. The next prime is 1127754181. The reversal of 1127754157 is 7514577211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 680896836 + 446857321 = 26094^2 + 21139^2 .

It is a cyclic number.

It is not a de Polignac number, because 1127754157 - 2³ = 1127754149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1127754127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 563877078 + 563877079.

It is an arithmetic number, because the mean of its divisors is an integer number (563877079).

Almost surely, 2^1127754157 is an apocalyptic number.

It is an amenable number.

1127754157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1127754157 is an equidigital number, since it uses as much as digits as its factorization.

1127754157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68600, while the sum is 40.

The square root of 1127754157 is about 33582.0511136530. The cubic root of 1127754157 is about 1040.8899424503.

The spelling of 1127754157 in words is "one billion, one hundred twenty-seven million, seven hundred fifty-four thousand, one hundred fifty-seven".