1112420 has 12 divisors (see below), whose sum is σ = 2336124. Its totient is φ = 444960.

The previous prime is 1112413. The next prime is 1112467. The reversal of 1112420 is 242111.

It can be written as a sum of positive squares in 2 ways, for example, as 206116 + 906304 = 454^2 + 952^2 .

It is an Ulam number.

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, 27791 + ... + 27830.

It is an arithmetic number, because the mean of its divisors is an integer number (194677).

2^1112420 is an apocalyptic number.

1112420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112420 is an abundant number, since it is smaller than the sum of its proper divisors (1223704).

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

1112420 is a wasteful number, since it uses less digits than its factorization.

1112420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55630 (or 55628 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1112420 is about 1054.7132311676. The cubic root of 1112420 is about 103.6150711268.

Adding to 1112420 its reverse (242111), we get a palindrome (1354531).

The spelling of 1112420 in words is "one million, one hundred twelve thousand, four hundred twenty".