1127686986 has 12 divisors (see below), whose sum is σ = 2443321842. Its totient is φ = 375895656.

The previous prime is 1127686961. The next prime is 1127687009. The reversal of 1127686986 is 6896867211.

It can be written as a sum of positive squares in only one way, i.e., 1002672225 + 125014761 = 31665^2 + 11181^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31324621 + ... + 31324656.

Almost surely, 2^1127686986 is an apocalyptic number.

1127686986 is an abundant number, since it is smaller than the sum of its proper divisors (1315634856).

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

1127686986 is a wasteful number, since it uses less digits than its factorization.

1127686986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62649285 (or 62649282 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 54.

The square root of 1127686986 is about 33581.0509960603. The cubic root of 1127686986 is about 1040.8692763013.

The spelling of 1127686986 in words is "one billion, one hundred twenty-seven million, six hundred eighty-six thousand, nine hundred eighty-six".