1127161894 has 4 divisors (see below), whose sum is σ = 1690742844. Its totient is φ = 563580946.

The previous prime is 1127161817. The next prime is 1127161907. The reversal of 1127161894 is 4981617211.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281790472 + ... + 281790475.

It is an arithmetic number, because the mean of its divisors is an integer number (422685711).

Almost surely, 2^1127161894 is an apocalyptic number.

1127161894 is a deficient number, since it is larger than the sum of its proper divisors (563580950).

1127161894 is an equidigital number, since it uses as much as digits as its factorization.

1127161894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563580949.

The product of its digits is 24192, while the sum is 40.

The square root of 1127161894 is about 33573.2318074981. The cubic root of 1127161894 is about 1040.7076957119.

The spelling of 1127161894 in words is "one billion, one hundred twenty-seven million, one hundred sixty-one thousand, eight hundred ninety-four".