1134420 has 96 divisors (see below), whose sum is σ = 3779328. Its totient is φ = 248832.

The previous prime is 1134403. The next prime is 1134421. The reversal of 1134420 is 244311.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1134420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1134421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15504 + ... + 15576.

It is an arithmetic number, because the mean of its divisors is an integer number (39368).

2^1134420 is an apocalyptic number.

1134420 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 1134420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1889664).

1134420 is an abundant number, since it is smaller than the sum of its proper divisors (2644908).

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

1134420 is a wasteful number, since it uses less digits than its factorization.

1134420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1134420 is about 1065.0915453612. The cubic root of 1134420 is about 104.2936719303.

Adding to 1134420 its reverse (244311), we get a palindrome (1378731).

It can be divided in two parts, 1 and 134420, that added together give a triangular number (134421 = T₅₁₈).

The spelling of 1134420 in words is "one million, one hundred thirty-four thousand, four hundred twenty".