1127891274 has 16 divisors (see below), whose sum is σ = 2264563008. Its totient is φ = 374500352.

The previous prime is 1127891221. The next prime is 1127891309. The reversal of 1127891274 is 4721987211.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 364182 + ... + 367265.

It is an arithmetic number, because the mean of its divisors is an integer number (141535188).

Almost surely, 2^1127891274 is an apocalyptic number.

1127891274 is an abundant number, since it is smaller than the sum of its proper divisors (1136671734).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1127891274 is a wasteful number, since it uses less digits than its factorization.

1127891274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731709.

The product of its digits is 56448, while the sum is 42.

The square root of 1127891274 is about 33584.0925737171. The cubic root of 1127891274 is about 1040.9321259710.

The spelling of 1127891274 in words is "one billion, one hundred twenty-seven million, eight hundred ninety-one thousand, two hundred seventy-four".