1126354289 has 4 divisors (see below), whose sum is σ = 1127625024. Its totient is φ = 1125083556.

The previous prime is 1126354253. The next prime is 1126354331. The reversal of 1126354289 is 9824536211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1126354289 - 2¹⁶ = 1126288753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1126354249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 634037 + ... + 635810.

It is an arithmetic number, because the mean of its divisors is an integer number (281906256).

Almost surely, 2^1126354289 is an apocalyptic number.

It is an amenable number.

1126354289 is a deficient number, since it is larger than the sum of its proper divisors (1270735).

1126354289 is an equidigital number, since it uses as much as digits as its factorization.

1126354289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1270734.

The product of its digits is 103680, while the sum is 41.

The square root of 1126354289 is about 33561.2021387792. The cubic root of 1126354289 is about 1040.4590826374.

The spelling of 1126354289 in words is "one billion, one hundred twenty-six million, three hundred fifty-four thousand, two hundred eighty-nine".