1140049 has 4 divisors (see below), whose sum is σ = 1154560. Its totient is φ = 1125540.

The previous prime is 1139993. The next prime is 1140091. The reversal of 1140049 is 9400411.

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 a cyclic number.

It is not a de Polignac number, because 1140049 - 2⁷ = 1139921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1140449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7137 + ... + 7294.

It is an arithmetic number, because the mean of its divisors is an integer number (288640).

2^1140049 is an apocalyptic number.

It is an amenable number.

1140049 is a deficient number, since it is larger than the sum of its proper divisors (14511).

1140049 is an equidigital number, since it uses as much as digits as its factorization.

1140049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14510.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1140049 is about 1067.7307713089. The cubic root of 1140049 is about 104.4658893728.

It can be divided in two parts, 11400 and 49, that added together give a square (11449 = 107²).

The spelling of 1140049 in words is "one million, one hundred forty thousand, forty-nine".