1140554 has 8 divisors (see below), whose sum is σ = 1715808. Its totient is φ = 568620.

The previous prime is 1140539. The next prime is 1140563. The reversal of 1140554 is 4550411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 389 + ... + 1559.

It is an arithmetic number, because the mean of its divisors is an integer number (214476).

2^1140554 is an apocalyptic number.

1140554 is a deficient number, since it is larger than the sum of its proper divisors (575254).

1140554 is a wasteful number, since it uses less digits than its factorization.

1140554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1660.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 1140554 is about 1067.9672279616. The cubic root of 1140554 is about 104.4813119516.

Adding to 1140554 its reverse (4550411), we get a palindrome (5690965).

The spelling of 1140554 in words is "one million, one hundred forty thousand, five hundred fifty-four".