1141320 has 32 divisors (see below), whose sum is σ = 3424320. Its totient is φ = 304320.

The previous prime is 1141319. The next prime is 1141321. The reversal of 1141320 is 231411.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1141319) and next prime (1141321).

It is a super-2 number, since 2×1141320² = 2605222684800, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 1141296 and 1141305.

It is not an unprimeable number, because it can be changed into a prime (1141321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4636 + ... + 4875.

It is an arithmetic number, because the mean of its divisors is an integer number (107010).

2^1141320 is an apocalyptic number.

1141320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1141320 is an abundant number, since it is smaller than the sum of its proper divisors (2283000).

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

1141320 is a wasteful number, since it uses less digits than its factorization.

1141320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9525 (or 9521 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1141320 is about 1068.3257930051. The cubic root of 1141320 is about 104.5046967204.

Adding to 1141320 its reverse (231411), we get a palindrome (1372731).

Subtracting from 1141320 its reverse (231411), we obtain a palindrome (909909).

The spelling of 1141320 in words is "one million, one hundred forty-one thousand, three hundred twenty".