1113749 has 8 divisors (see below), whose sum is σ = 1370880. Its totient is φ = 881136.

The previous prime is 1113719. The next prime is 1113751. The reversal of 1113749 is 9473111.

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

It is a cyclic number.

It is not a de Polignac number, because 1113749 - 2¹² = 1109653 is a prime.

It is a Curzon number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6029 + ... + 6210.

It is an arithmetic number, because the mean of its divisors is an integer number (171360).

2^1113749 is an apocalyptic number.

It is an amenable number.

1113749 is a deficient number, since it is larger than the sum of its proper divisors (257131).

1113749 is a wasteful number, since it uses less digits than its factorization.

1113749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12259.

The product of its digits is 756, while the sum is 26.

The square root of 1113749 is about 1055.3430721808. The cubic root of 1113749 is about 103.6563174269.

The spelling of 1113749 in words is "one million, one hundred thirteen thousand, seven hundred forty-nine".