1158038 has 16 divisors (see below), whose sum is σ = 2000544. Its totient is φ = 492480.

The previous prime is 1158037. The next prime is 1158071. The reversal of 1158038 is 8308511.

It is a junction number, because it is equal to n+sod(n) for n = 1157998 and 1158016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1158037) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2306 + ... + 2762.

It is an arithmetic number, because the mean of its divisors is an integer number (125034).

2^1158038 is an apocalyptic number.

1158038 is a deficient number, since it is larger than the sum of its proper divisors (842506).

1158038 is a wasteful number, since it uses less digits than its factorization.

1158038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647.

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 1158038 is about 1076.1217403250. The cubic root of 1158038 is about 105.0124852878.

The spelling of 1158038 in words is "one million, one hundred fifty-eight thousand, thirty-eight".