1140744 has 64 divisors (see below), whose sum is σ = 3240000. Its totient is φ = 331520.

The previous prime is 1140721. The next prime is 1140749. The reversal of 1140744 is 4470411.

1140744 = T₁₁₅ + T₁₁₆ + ... + T₂₀₂.

It is a super-3 number, since 3×1140744³ = 4453339802114852352, which contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1140744.

It is not an unprimeable number, because it can be changed into a prime (1140749) 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, 7582 + ... + 7730.

It is an arithmetic number, because the mean of its divisors is an integer number (50625).

2^1140744 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 1140744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1620000).

1140744 is an abundant number, since it is smaller than the sum of its proper divisors (2099256).

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

1140744 is a wasteful number, since it uses less digits than its factorization.

1140744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198 (or 194 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 1140744 is about 1068.0561782978. The cubic root of 1140744 is about 104.4871133274.

It can be divided in two parts, 11 and 40744, that added together give a triangular number (40755 = T₂₈₅).

The spelling of 1140744 in words is "one million, one hundred forty thousand, seven hundred forty-four".