1126023213 has 32 divisors (see below), whose sum is σ = 1824270336. Its totient is φ = 603839808.

The previous prime is 1126023209. The next prime is 1126023287. The reversal of 1126023213 is 3123206211.

It is not a de Polignac number, because 1126023213 - 2² = 1126023209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 1126023213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1126123213) 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 31 ways as a sum of consecutive naturals, for example, 3606 + ... + 47592.

It is an arithmetic number, because the mean of its divisors is an integer number (57008448).

Almost surely, 2^1126023213 is an apocalyptic number.

It is an amenable number.

1126023213 is a deficient number, since it is larger than the sum of its proper divisors (698247123).

1126023213 is a wasteful number, since it uses less digits than its factorization.

1126023213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44073.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1126023213 is about 33556.2693546228. The cubic root of 1126023213 is about 1040.3571298768.

Adding to 1126023213 its reverse (3123206211), we get a palindrome (4249229424).

The spelling of 1126023213 in words is "one billion, one hundred twenty-six million, twenty-three thousand, two hundred thirteen".