1127864 has 8 divisors (see below), whose sum is σ = 2114760. Its totient is φ = 563928.

The previous prime is 1127857. The next prime is 1127881. The reversal of 1127864 is 4687211.

It is a tau number, because it is divible by the number of its divisors (8).

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, 70484 + ... + 70499.

It is an arithmetic number, because the mean of its divisors is an integer number (264345).

2^1127864 is an apocalyptic number.

It is an amenable number.

1127864 is a deficient number, since it is larger than the sum of its proper divisors (986896).

1127864 is a wasteful number, since it uses less digits than its factorization.

1127864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140989 (or 140985 counting only the distinct ones).

The product of its digits is 2688, while the sum is 29.

The square root of 1127864 is about 1062.0094161541. The cubic root of 1127864 is about 104.0923735502.

It can be divided in two parts, 1127 and 864, that added together give a palindrome (1991).

The spelling of 1127864 in words is "one million, one hundred twenty-seven thousand, eight hundred sixty-four".