1157994 has 12 divisors (see below), whose sum is σ = 2509026. Its totient is φ = 385992.

The previous prime is 1157987. The next prime is 1158007. The reversal of 1157994 is 4997511.

It can be written as a sum of positive squares in only one way, i.e., 660969 + 497025 = 813^2 + 705^2 .

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 5 ways as a sum of consecutive naturals, for example, 32149 + ... + 32184.

2^1157994 is an apocalyptic number.

1157994 is an abundant number, since it is smaller than the sum of its proper divisors (1351032).

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

1157994 is a wasteful number, since it uses less digits than its factorization.

1157994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64341 (or 64338 counting only the distinct ones).

The product of its digits is 11340, while the sum is 36.

The square root of 1157994 is about 1076.1012963471. The cubic root of 1157994 is about 105.0111552774.

The spelling of 1157994 in words is "one million, one hundred fifty-seven thousand, nine hundred ninety-four".