1140120 has 48 divisors (see below), whose sum is σ = 3706560. Its totient is φ = 303936.

The previous prime is 1140103. The next prime is 1140121. The reversal of 1140120 is 210411.

It is a happy number.

It is a super-2 number, since 2×1140120² = 2599747228800, which contains 22 as substring.

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 (1140121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1224 + ... + 1943.

It is an arithmetic number, because the mean of its divisors is an integer number (77220).

2^1140120 is an apocalyptic number.

1140120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1140120 is an abundant number, since it is smaller than the sum of its proper divisors (2566440).

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

1140120 is a wasteful number, since it uses less digits than its factorization.

1140120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3184 (or 3177 counting only the distinct ones).

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

The square root of 1140120 is about 1067.7640188731. The cubic root of 1140120 is about 104.4680579709.

Adding to 1140120 its reverse (210411), we get a palindrome (1350531).

The spelling of 1140120 in words is "one million, one hundred forty thousand, one hundred twenty".