1127263257 has 8 divisors (see below), whose sum is σ = 1670019680. Its totient is φ = 751508820.

The previous prime is 1127263229. The next prime is 1127263259. The reversal of 1127263257 is 7523627211.

1127263257 is a `hidden beast` number, since 1 + 12 + 7 + 2 + 632 + 5 + 7 = 666.

It is not a de Polignac number, because 1127263257 - 2⁷ = 1127263129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1127263259) 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, 20875219 + ... + 20875272.

It is an arithmetic number, because the mean of its divisors is an integer number (208752460).

Almost surely, 2^1127263257 is an apocalyptic number.

It is an amenable number.

1127263257 is a deficient number, since it is larger than the sum of its proper divisors (542756423).

1127263257 is an equidigital number, since it uses as much as digits as its factorization.

1127263257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41750500 (or 41750494 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 1127263257 is about 33574.7413541787. The cubic root of 1127263257 is about 1040.7388909030.

It can be divided in two parts, 11272 and 63257, that added together give a square (74529 = 273²).

The spelling of 1127263257 in words is "one billion, one hundred twenty-seven million, two hundred sixty-three thousand, two hundred fifty-seven".