1158485 has 8 divisors (see below), whose sum is σ = 1397760. Its totient is φ = 921744.

The previous prime is 1158481. The next prime is 1158491. The reversal of 1158485 is 5848511.

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 1158485 - 2² = 1158481 is a prime.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1158481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 596 + ... + 1634.

It is an arithmetic number, because the mean of its divisors is an integer number (174720).

2^1158485 is an apocalyptic number.

It is an amenable number.

1158485 is a deficient number, since it is larger than the sum of its proper divisors (239275).

1158485 is a wasteful number, since it uses less digits than its factorization.

1158485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1267.

The product of its digits is 6400, while the sum is 32.

The square root of 1158485 is about 1076.3294105431. The cubic root of 1158485 is about 105.0259950755.

The spelling of 1158485 in words is "one million, one hundred fifty-eight thousand, four hundred eighty-five".