1158938 has 12 divisors (see below), whose sum is σ = 1911210. Its totient is φ = 526680.

The previous prime is 1158923. The next prime is 1158953. The reversal of 1158938 is 8398511.

It is an interprime number because it is at equal distance from previous prime (1158923) and next prime (1158953).

It can be written as a sum of positive squares in only one way, i.e., 1138489 + 20449 = 1067^2 + 143^2 .

It is a super-4 number, since 4×1158938⁴ (a number of 25 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1158898 and 1158907.

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, 2153 + ... + 2636.

2^1158938 is an apocalyptic number.

1158938 is a deficient number, since it is larger than the sum of its proper divisors (752272).

1158938 is a wasteful number, since it uses less digits than its factorization.

1158938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4813 (or 4802 counting only the distinct ones).

The product of its digits is 8640, while the sum is 35.

The square root of 1158938 is about 1076.5398274100. The cubic root of 1158938 is about 105.0396826577.

The spelling of 1158938 in words is "one million, one hundred fifty-eight thousand, nine hundred thirty-eight".