1141756 has 36 divisors (see below), whose sum is σ = 2517424. Its totient is φ = 443520.

The previous prime is 1141739. The next prime is 1141757. The reversal of 1141756 is 6571411.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1141756.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3220 + ... + 3556.

2^1141756 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1141756, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1258712).

1141756 is an abundant number, since it is smaller than the sum of its proper divisors (1375668).

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

1141756 is a wasteful number, since it uses less digits than its factorization.

1141756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370 (or 357 counting only the distinct ones).

The product of its digits is 840, while the sum is 25.

The square root of 1141756 is about 1068.5298311231. The cubic root of 1141756 is about 104.5180024387.

The spelling of 1141756 in words is "one million, one hundred forty-one thousand, seven hundred fifty-six".