1141749 has 24 divisors (see below), whose sum is σ = 1969920. Its totient is φ = 651672.

The previous prime is 1141739. The next prime is 1141757. The reversal of 1141749 is 9471411.

It is not a de Polignac number, because 1141749 - 2⁵ = 1141717 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 892 + ... + 1754.

It is an arithmetic number, because the mean of its divisors is an integer number (82080).

2^1141749 is an apocalyptic number.

It is an amenable number.

1141749 is a deficient number, since it is larger than the sum of its proper divisors (828171).

1141749 is an equidigital number, since it uses as much as digits as its factorization.

1141749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886 (or 873 counting only the distinct ones).

The product of its digits is 1008, while the sum is 27.

The square root of 1141749 is about 1068.5265555895. The cubic root of 1141749 is about 104.5177888415.

The spelling of 1141749 in words is "one million, one hundred forty-one thousand, seven hundred forty-nine".