1125214311 has 16 divisors (see below), whose sum is σ = 1643080320. Its totient is φ = 680701920.

The previous prime is 1125214267. The next prime is 1125214331. The reversal of 1125214311 is 1134125211.

It is not a de Polignac number, because 1125214311 - 2¹⁵ = 1125181543 is a prime.

It is a super-2 number, since 2×1125214311² = 2532214491358409442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125214331) 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 15 ways as a sum of consecutive naturals, for example, 242205 + ... + 246806.

It is an arithmetic number, because the mean of its divisors is an integer number (102692520).

Almost surely, 2^1125214311 is an apocalyptic number.

1125214311 is a deficient number, since it is larger than the sum of its proper divisors (517866009).

1125214311 is a wasteful number, since it uses less digits than its factorization.

1125214311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489086.

The product of its digits is 240, while the sum is 21.

The square root of 1125214311 is about 33544.2142701241. The cubic root of 1125214311 is about 1040.1079495319.

Adding to 1125214311 its reverse (1134125211), we get a palindrome (2259339522).

The spelling of 1125214311 in words is "one billion, one hundred twenty-five million, two hundred fourteen thousand, three hundred eleven".