1158607 has 2 divisors, whose sum is σ = 1158608. Its totient is φ = 1158606.

The previous prime is 1158593. The next prime is 1158611. The reversal of 1158607 is 7068511.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (7068511) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1158607 is a prime.

1158607 is a lucky number.

It is a plaindrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1158617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 579303 + 579304.

It is an arithmetic number, because the mean of its divisors is an integer number (579304).

2^1158607 is an apocalyptic number.

1158607 is a deficient number, since it is larger than the sum of its proper divisors (1).

1158607 is an equidigital number, since it uses as much as digits as its factorization.

1158607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 1158607 is about 1076.3860831505. The cubic root of 1158607 is about 105.0296817070.

The spelling of 1158607 in words is "one million, one hundred fifty-eight thousand, six hundred seven".