1155485 has 8 divisors (see below), whose sum is σ = 1459680. Its totient is φ = 875664.

The previous prime is 1155461. The next prime is 1155499. The reversal of 1155485 is 5845511.

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 1155485 - 2¹² = 1151389 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5987 + ... + 6176.

It is an arithmetic number, because the mean of its divisors is an integer number (182460).

2^1155485 is an apocalyptic number.

It is an amenable number.

1155485 is a deficient number, since it is larger than the sum of its proper divisors (304195).

1155485 is a wasteful number, since it uses less digits than its factorization.

1155485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12187.

The product of its digits is 4000, while the sum is 29.

The square root of 1155485 is about 1074.9348817487. The cubic root of 1155485 is about 104.9352586536.

The spelling of 1155485 in words is "one million, one hundred fifty-five thousand, four hundred eighty-five".