1125384578 has 8 divisors (see below), whose sum is σ = 1699256640. Its totient is φ = 558965700.

The previous prime is 1125384569. The next prime is 1125384583. The reversal of 1125384578 is 8754835211.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1862918 + ... + 1863521.

It is an arithmetic number, because the mean of its divisors is an integer number (212407080).

Almost surely, 2^1125384578 is an apocalyptic number.

1125384578 is a deficient number, since it is larger than the sum of its proper divisors (573872062).

1125384578 is a wasteful number, since it uses less digits than its factorization.

1125384578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3726592.

The product of its digits is 268800, while the sum is 44.

The square root of 1125384578 is about 33546.7521229701. The cubic root of 1125384578 is about 1040.1604097985.

The spelling of 1125384578 in words is "one billion, one hundred twenty-five million, three hundred eighty-four thousand, five hundred seventy-eight".