1125421334 has 12 divisors (see below), whose sum is σ = 1744347492. Its totient is φ = 544557780.

The previous prime is 1125421333. The next prime is 1125421343. The reversal of 1125421334 is 4331245211.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125421331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 290852 + ... + 294695.

It is an arithmetic number, because the mean of its divisors is an integer number (145362291).

Almost surely, 2^1125421334 is an apocalyptic number.

1125421334 is a deficient number, since it is larger than the sum of its proper divisors (618926158).

1125421334 is an equidigital number, since it uses as much as digits as its factorization.

1125421334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585611 (or 585580 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 1125421334 is about 33547.2999509648. The cubic root of 1125421334 is about 1040.1717338444.

Adding to 1125421334 its reverse (4331245211), we get a palindrome (5456666545).

The spelling of 1125421334 in words is "one billion, one hundred twenty-five million, four hundred twenty-one thousand, three hundred thirty-four".