1126603399 has 8 divisors (see below), whose sum is σ = 1139624640. Its totient is φ = 1113631200.

The previous prime is 1126603381. The next prime is 1126603421. The reversal of 1126603399 is 9933066211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1126603399 - 2¹¹ = 1126601351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1126603349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34989 + ... + 58969.

It is an arithmetic number, because the mean of its divisors is an integer number (142453080).

Almost surely, 2^1126603399 is an apocalyptic number.

1126603399 is a deficient number, since it is larger than the sum of its proper divisors (13021241).

1126603399 is a wasteful number, since it uses less digits than its factorization.

1126603399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24521.

The product of its (nonzero) digits is 52488, while the sum is 40.

The square root of 1126603399 is about 33564.9132130563. The cubic root of 1126603399 is about 1040.5357813159.

The spelling of 1126603399 in words is "one billion, one hundred twenty-six million, six hundred three thousand, three hundred ninety-nine".