1591112 has 16 divisors (see below), whose sum is σ = 3034800. Its totient is φ = 781840.

The previous prime is 1591103. The next prime is 1591127. The reversal of 1591112 is 2111951.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1214 + ... + 2157.

It is an arithmetic number, because the mean of its divisors is an integer number (189675).

2^1591112 is an apocalyptic number.

It is an amenable number.

1591112 is a deficient number, since it is larger than the sum of its proper divisors (1443688).

1591112 is a wasteful number, since it uses less digits than its factorization.

1591112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3436 (or 3432 counting only the distinct ones).

The product of its digits is 90, while the sum is 20.

The square root of 1591112 is about 1261.3928809059. The cubic root of 1591112 is about 116.7437350196.

The spelling of 1591112 in words is "one million, five hundred ninety-one thousand, one hundred twelve".