1155426 has 8 divisors (see below), whose sum is σ = 2310864. Its totient is φ = 385140.

The previous prime is 1155419. The next prime is 1155431. The reversal of 1155426 is 6245511.

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

1155426 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1155396 and 1155405.

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, 96280 + ... + 96291.

It is an arithmetic number, because the mean of its divisors is an integer number (288858).

2^1155426 is an apocalyptic number.

1155426 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1155426 is a wasteful number, since it uses less digits than its factorization.

1155426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192576.

The product of its digits is 1200, while the sum is 24.

The square root of 1155426 is about 1074.9074378755. The cubic root of 1155426 is about 104.9334725967.

The spelling of 1155426 in words is "one million, one hundred fifty-five thousand, four hundred twenty-six".