1189053 has 16 divisors (see below), whose sum is σ = 1800960. Its totient is φ = 775008.

The previous prime is 1189033. The next prime is 1189057. The reversal of 1189053 is 3509811.

It is not a de Polignac number, because 1189053 - 2⁵ = 1189021 is a prime.

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

It is a Curzon number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1189057) 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, 801 + ... + 1737.

It is an arithmetic number, because the mean of its divisors is an integer number (112560).

2^1189053 is an apocalyptic number.

It is an amenable number.

1189053 is a deficient number, since it is larger than the sum of its proper divisors (611907).

1189053 is an equidigital number, since it uses as much as digits as its factorization.

1189053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993 (or 987 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 1189053 is about 1090.4370683354. The cubic root of 1189053 is about 105.9417325429.

The spelling of 1189053 in words is "one million, one hundred eighty-nine thousand, fifty-three".