1110420 has 72 divisors (see below), whose sum is σ = 3494400. Its totient is φ = 285120.

The previous prime is 1110413. The next prime is 1110427. The reversal of 1110420 is 240111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1110413) and next prime (1110427).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5481 + ... + 5679.

2^1110420 is an apocalyptic number.

1110420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1110420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1747200).

1110420 is an abundant number, since it is smaller than the sum of its proper divisors (2383980).

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

1110420 is a wasteful number, since it uses less digits than its factorization.

1110420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245 (or 240 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 1110420 is about 1053.7646796131. The cubic root of 1110420 is about 103.5529379821.

Adding to 1110420 its reverse (240111), we get a palindrome (1350531).

The spelling of 1110420 in words is "one million, one hundred ten thousand, four hundred twenty".