1125244011 has 16 divisors (see below), whose sum is σ = 1584003200. Its totient is φ = 708559488.

The previous prime is 1125244009. The next prime is 1125244013. The reversal of 1125244011 is 1104425211.

It is an interprime number because it is at equal distance from previous prime (1125244009) and next prime (1125244013).

It is not a de Polignac number, because 1125244011 - 2¹ = 1125244009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1125244013) 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, 10081 + ... + 48498.

It is an arithmetic number, because the mean of its divisors is an integer number (99000200).

Almost surely, 2^1125244011 is an apocalyptic number.

1125244011 is a deficient number, since it is larger than the sum of its proper divisors (458759189).

1125244011 is a wasteful number, since it uses less digits than its factorization.

1125244011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58938.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 1125244011 is about 33544.6569664977. The cubic root of 1125244011 is about 1040.1171006580.

Adding to 1125244011 its reverse (1104425211), we get a palindrome (2229669222).

The spelling of 1125244011 in words is "one billion, one hundred twenty-five million, two hundred forty-four thousand, eleven".