1156478 has 8 divisors (see below), whose sum is σ = 1743168. Its totient is φ = 575424.

The previous prime is 1156457. The next prime is 1156483. The reversal of 1156478 is 8746511.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 851 + ... + 1742.

It is an arithmetic number, because the mean of its divisors is an integer number (217896).

2^1156478 is an apocalyptic number.

1156478 is a deficient number, since it is larger than the sum of its proper divisors (586690).

1156478 is a wasteful number, since it uses less digits than its factorization.

1156478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2818.

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

The square root of 1156478 is about 1075.3966710010. The cubic root of 1156478 is about 104.9653097798.

The spelling of 1156478 in words is "one million, one hundred fifty-six thousand, four hundred seventy-eight".