1140546 has 24 divisors (see below), whose sum is σ = 2508912. Its totient is φ = 345400.

The previous prime is 1140539. The next prime is 1140563. The reversal of 1140546 is 6450411.

1140546 = 139² + 140² + ... + 182².

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60 + ... + 1511.

It is an arithmetic number, because the mean of its divisors is an integer number (104538).

2^1140546 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1140546, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1254456).

1140546 is an abundant number, since it is smaller than the sum of its proper divisors (1368366).

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

1140546 is a wasteful number, since it uses less digits than its factorization.

1140546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1598 (or 1587 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1140546 is about 1067.9634825218. The cubic root of 1140546 is about 104.4810676690.

Adding to 1140546 its reverse (6450411), we get a palindrome (7590957).

The spelling of 1140546 in words is "one million, one hundred forty thousand, five hundred forty-six".