1165478 has 8 divisors (see below), whose sum is σ = 1760400. Its totient is φ = 578680.

The previous prime is 1165471. The next prime is 1165511. The reversal of 1165478 is 8745611.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1165471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1658 + ... + 2253.

It is an arithmetic number, because the mean of its divisors is an integer number (220050).

2^1165478 is an apocalyptic number.

1165478 is a deficient number, since it is larger than the sum of its proper divisors (594922).

1165478 is a wasteful number, since it uses less digits than its factorization.

1165478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4062.

The product of its digits is 6720, while the sum is 32.

The square root of 1165478 is about 1079.5730637618. The cubic root of 1165478 is about 105.2368952113.

The spelling of 1165478 in words is "one million, one hundred sixty-five thousand, four hundred seventy-eight".