1125957277 has 8 divisors (see below), whose sum is σ = 1233300600. Its totient is φ = 1023181824.

The previous prime is 1125957251. The next prime is 1125957299. The reversal of 1125957277 is 7727595211.

It can be written as a sum of positive squares in 4 ways, for example, as 382358916 + 743598361 = 19554^2 + 27269^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1125957277 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 (1125957227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1141452 + ... + 1142437.

It is an arithmetic number, because the mean of its divisors is an integer number (154162575).

Almost surely, 2^1125957277 is an apocalyptic number.

1125957277 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1125957277 is a deficient number, since it is larger than the sum of its proper divisors (107343323).

1125957277 is a wasteful number, since it uses less digits than its factorization.

1125957277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2283935.

The product of its digits is 308700, while the sum is 46.

The square root of 1125957277 is about 33555.2868710729. The cubic root of 1125957277 is about 1040.3368229163.

The spelling of 1125957277 in words is "one billion, one hundred twenty-five million, nine hundred fifty-seven thousand, two hundred seventy-seven".