1119945 has 16 divisors (see below), whose sum is σ = 1805760. Its totient is φ = 592704.

The previous prime is 1119913. The next prime is 1119947. The reversal of 1119945 is 5499111.

It is not a de Polignac number, because 1119945 - 2⁵ = 1119913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1119947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2766 + ... + 3144.

It is an arithmetic number, because the mean of its divisors is an integer number (112860).

2^1119945 is an apocalyptic number.

1119945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1119945 is a deficient number, since it is larger than the sum of its proper divisors (685815).

1119945 is a wasteful number, since it uses less digits than its factorization.

1119945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584.

The product of its digits is 1620, while the sum is 30.

The square root of 1119945 is about 1058.2745390493. The cubic root of 1119945 is about 103.8481820855.

The spelling of 1119945 in words is "one million, one hundred nineteen thousand, nine hundred forty-five".