1141020 has 48 divisors (see below), whose sum is σ = 3551520. Its totient is φ = 304128.

The previous prime is 1141013. The next prime is 1141027. The reversal of 1141020 is 201411.

1141020 = 149² + 150² + ... + 188².

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1141013) and next prime (1141027).

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

It is a junction number, because it is equal to n+sod(n) for n = 1140993 and 1141011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 517 + ... + 1596.

It is an arithmetic number, because the mean of its divisors is an integer number (73990).

2^1141020 is an apocalyptic number.

1141020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1141020 is an abundant number, since it is smaller than the sum of its proper divisors (2410500).

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

1141020 is a wasteful number, since it uses less digits than its factorization.

1141020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2131 (or 2123 counting only the distinct ones).

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

The square root of 1141020 is about 1068.1853771701. The cubic root of 1141020 is about 104.4955394416.

Adding to 1141020 its reverse (201411), we get a palindrome (1342431).

The spelling of 1141020 in words is "one million, one hundred forty-one thousand, twenty".