1601112 has 16 divisors (see below), whose sum is σ = 4002840. Its totient is φ = 533696.

The previous prime is 1601107. The next prime is 1601113. The reversal of 1601112 is 2111061.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1601113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33333 + ... + 33380.

2^1601112 is an apocalyptic number.

1601112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1601112 is an abundant number, since it is smaller than the sum of its proper divisors (2401728).

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

1601112 is a wasteful number, since it uses less digits than its factorization.

1601112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66722 (or 66718 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 1601112 is about 1265.3505443157. The cubic root of 1601112 is about 116.9877991514.

Adding to 1601112 its reverse (2111061), we get a palindrome (3712173).

The spelling of 1601112 in words is "one million, six hundred one thousand, one hundred twelve".