1141844772 has 24 divisors (see below), whose sum is σ = 2665148416. Its totient is φ = 380494368.

The previous prime is 1141844723. The next prime is 1141844779. The reversal of 1141844772 is 2774481411.

It is a self number, because there is not a number n which added to its sum of digits gives 1141844772.

It is not an unprimeable number, because it can be changed into a prime (1141844779) 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, 29718 + ... + 56274.

Almost surely, 2^1141844772 is an apocalyptic number.

1141844772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1141844772 is an abundant number, since it is smaller than the sum of its proper divisors (1523303644).

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

1141844772 is a wasteful number, since it uses less digits than its factorization.

1141844772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30147 (or 30145 counting only the distinct ones).

The product of its digits is 50176, while the sum is 39.

The square root of 1141844772 is about 33791.1937048693. The cubic root of 1141844772 is about 1045.2071114107.

The spelling of 1141844772 in words is "one billion, one hundred forty-one million, eight hundred forty-four thousand, seven hundred seventy-two".