1140537 has 4 divisors (see below), whose sum is σ = 1520720. Its totient is φ = 760356.

The previous prime is 1140533. The next prime is 1140539. The reversal of 1140537 is 7350411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1140537 - 2² = 1140533 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1140533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190087 + ... + 190092.

It is an arithmetic number, because the mean of its divisors is an integer number (380180).

2^1140537 is an apocalyptic number.

It is an amenable number.

1140537 is a deficient number, since it is larger than the sum of its proper divisors (380183).

1140537 is an equidigital number, since it uses as much as digits as its factorization.

1140537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380182.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 1140537 is about 1067.9592688862. The cubic root of 1140537 is about 104.4807928497.

Adding to 1140537 its reverse (7350411), we get a palindrome (8490948).

The spelling of 1140537 in words is "one million, one hundred forty thousand, five hundred thirty-seven".