1189485 has 48 divisors (see below), whose sum is σ = 2358720. Its totient is φ = 570240.

The previous prime is 1189483. The next prime is 1189553. The reversal of 1189485 is 5849811.

It is not a de Polignac number, because 1189485 - 2¹ = 1189483 is a prime.

Its product of digits (11520) is a multiple of the sum of its prime factors (120).

1189485 is a lucky 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 (1189481) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13321 + ... + 13409.

It is an arithmetic number, because the mean of its divisors is an integer number (49140).

2^1189485 is an apocalyptic number.

1189485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1189485 is a deficient number, since it is larger than the sum of its proper divisors (1169235).

1189485 is an equidigital number, since it uses as much as digits as its factorization.

1189485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120 (or 108 counting only the distinct ones).

The product of its digits is 11520, while the sum is 36.

The square root of 1189485 is about 1090.6351360561. The cubic root of 1189485 is about 105.9545610395.

The spelling of 1189485 in words is "one million, one hundred eighty-nine thousand, four hundred eighty-five".