1125204126 has 16 divisors (see below), whose sum is σ = 2382785424. Its totient is φ = 353005184.

The previous prime is 1125204107. The next prime is 1125204173. The reversal of 1125204126 is 6214025211.

It is a junction number, because it is equal to n+sod(n) for n = 1125204096 and 1125204105.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5515605 + ... + 5515808.

It is an arithmetic number, because the mean of its divisors is an integer number (148924089).

Almost surely, 2^1125204126 is an apocalyptic number.

1125204126 is an abundant number, since it is smaller than the sum of its proper divisors (1257581298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1125204126 is a wasteful number, since it uses less digits than its factorization.

1125204126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11031435.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 1125204126 is about 33544.0624552245. The cubic root of 1125204126 is about 1040.1048113056.

Adding to 1125204126 its reverse (6214025211), we get a palindrome (7339229337).

The spelling of 1125204126 in words is "one billion, one hundred twenty-five million, two hundred four thousand, one hundred twenty-six".