1140556 has 6 divisors (see below), whose sum is σ = 1995980. Its totient is φ = 570276.

The previous prime is 1140539. The next prime is 1140563. The reversal of 1140556 is 6550411.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142566 + ... + 142573.

2^1140556 is an apocalyptic number.

It is an amenable number.

1140556 is a deficient number, since it is larger than the sum of its proper divisors (855424).

1140556 is a wasteful number, since it uses less digits than its factorization.

1140556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285143 (or 285141 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 1140556 is about 1067.9681643195. The cubic root of 1140556 is about 104.4813730221.

Adding to 1140556 its reverse (6550411), we get a palindrome (7690967).

The spelling of 1140556 in words is "one million, one hundred forty thousand, five hundred fifty-six".