1125522578 has 8 divisors (see below), whose sum is σ = 1688480640. Its totient is φ = 562695700.

The previous prime is 1125522571. The next prime is 1125522637. The reversal of 1125522578 is 8752255211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1125522571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7418 + ... + 48021.

It is an arithmetic number, because the mean of its divisors is an integer number (211060080).

Almost surely, 2^1125522578 is an apocalyptic number.

1125522578 is a deficient number, since it is larger than the sum of its proper divisors (562958062).

1125522578 is a wasteful number, since it uses less digits than its factorization.

1125522578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65592.

The product of its digits is 56000, while the sum is 38.

The square root of 1125522578 is about 33548.8088909279. The cubic root of 1125522578 is about 1040.2029245301.

Adding to 1125522578 its reverse (8752255211), we get a palindrome (9877777789).

It can be divided in two parts, 11255 and 22578, that added together give a palindrome (33833).

The spelling of 1125522578 in words is "one billion, one hundred twenty-five million, five hundred twenty-two thousand, five hundred seventy-eight".