1390112 has 12 divisors (see below), whose sum is σ = 2736846. Its totient is φ = 695040.

The previous prime is 1390111. The next prime is 1390117. The reversal of 1390112 is 2110931.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1263376 + 126736 = 1124^2 + 356^2 .

It is a super-2 number, since 2×1390112² = 3864822745088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1390111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21689 + ... + 21752.

2^1390112 is an apocalyptic number.

It is an amenable number.

1390112 is a deficient number, since it is larger than the sum of its proper divisors (1346734).

1390112 is an equidigital number, since it uses as much as digits as its factorization.

1390112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43451 (or 43443 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 1390112 is about 1179.0301098785. The cubic root of 1390112 is about 111.6049003728.

The spelling of 1390112 in words is "one million, three hundred ninety thousand, one hundred twelve".