1126598958 has 48 divisors (see below), whose sum is σ = 2574608400. Its totient is φ = 355052160.

The previous prime is 1126598953. The next prime is 1126598981. The reversal of 1126598958 is 8598956211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1126598951) 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 in 23 ways as a sum of consecutive naturals, for example, 181978 + ... + 188066.

It is an arithmetic number, because the mean of its divisors is an integer number (53637675).

Almost surely, 2^1126598958 is an apocalyptic number.

1126598958 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1126598958, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1287304200).

1126598958 is an abundant number, since it is smaller than the sum of its proper divisors (1448009442).

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

1126598958 is a wasteful number, since it uses less digits than its factorization.

1126598958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6657 (or 6654 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 54.

The square root of 1126598958 is about 33564.8470575988. The cubic root of 1126598958 is about 1040.5344140719.

The spelling of 1126598958 in words is "one billion, one hundred twenty-six million, five hundred ninety-eight thousand, nine hundred fifty-eight".