1126129339 has 4 divisors (see below), whose sum is σ = 1127222640. Its totient is φ = 1125036040.

The previous prime is 1126129337. The next prime is 1126129349. The reversal of 1126129339 is 9339216211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9339216211 = 13 ⋅718401247.

It is a cyclic number.

It is not a de Polignac number, because 1126129339 - 2¹ = 1126129337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1126129298 and 1126129307.

It is not an unprimeable number, because it can be changed into a prime (1126129337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 545104 + ... + 547165.

It is an arithmetic number, because the mean of its divisors is an integer number (281805660).

Almost surely, 2^1126129339 is an apocalyptic number.

1126129339 is a deficient number, since it is larger than the sum of its proper divisors (1093301).

1126129339 is a wasteful number, since it uses less digits than its factorization.

1126129339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1093300.

The product of its digits is 17496, while the sum is 37.

The square root of 1126129339 is about 33557.8506314096. The cubic root of 1126129339 is about 1040.3898128834.

The spelling of 1126129339 in words is "one billion, one hundred twenty-six million, one hundred twenty-nine thousand, three hundred thirty-nine".