1153994 has 8 divisors (see below), whose sum is σ = 1832868. Its totient is φ = 543040.

The previous prime is 1153973. The next prime is 1154017. The reversal of 1153994 is 4993511.

It can be written as a sum of positive squares in 2 ways, for example, as 1129969 + 24025 = 1063^2 + 155^2 .

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1153994.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 16937 + ... + 17004.

2^1153994 is an apocalyptic number.

1153994 is a deficient number, since it is larger than the sum of its proper divisors (678874).

1153994 is a wasteful number, since it uses less digits than its factorization.

1153994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33960.

The product of its digits is 4860, while the sum is 32.

The square root of 1153994 is about 1074.2411274942. The cubic root of 1153994 is about 104.8901042191.

The spelling of 1153994 in words is "one million, one hundred fifty-three thousand, nine hundred ninety-four".