1126743399 has 16 divisors (see below), whose sum is σ = 1673913600. Its totient is φ = 749063448.

The previous prime is 1126743379. The next prime is 1126743439. The reversal of 1126743399 is 9933476211.

1126743399 is a `hidden beast` number, since 1 + 126 + 7 + 433 + 99 = 666.

1126743399 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1126743399 - 2¹⁶ = 1126677863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1126743349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48429 + ... + 67814.

It is an arithmetic number, because the mean of its divisors is an integer number (104619600).

Almost surely, 2^1126743399 is an apocalyptic number.

1126743399 is a deficient number, since it is larger than the sum of its proper divisors (547170201).

1126743399 is a wasteful number, since it uses less digits than its factorization.

1126743399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116611 (or 116605 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 1126743399 is about 33566.9986593976. The cubic root of 1126743399 is about 1040.5788810662.

The spelling of 1126743399 in words is "one billion, one hundred twenty-six million, seven hundred forty-three thousand, three hundred ninety-nine".