1140404 has 6 divisors (see below), whose sum is σ = 1995714. Its totient is φ = 570200.

The previous prime is 1140389. The next prime is 1140413. The reversal of 1140404 is 4040411.

It can be written as a sum of positive squares in only one way, i.e., 996004 + 144400 = 998^2 + 380^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142547 + ... + 142554.

It is an arithmetic number, because the mean of its divisors is an integer number (332619).

2^1140404 is an apocalyptic number.

It is an amenable number.

1140404 is a deficient number, since it is larger than the sum of its proper divisors (855310).

1140404 is a wasteful number, since it uses less digits than its factorization.

1140404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285105 (or 285103 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 1140404 is about 1067.8969987784. The cubic root of 1140404 is about 104.4767314630.

Adding to 1140404 its reverse (4040411), we get a palindrome (5180815).

It can be divided in two parts, 11 and 40404, that multiplied together give a palindrome (444444).

The spelling of 1140404 in words is "one million, one hundred forty thousand, four hundred four".