1125932978 has 8 divisors (see below), whose sum is σ = 1702198272. Its totient is φ = 558533556.

The previous prime is 1125932921. The next prime is 1125933019. The reversal of 1125932978 is 8792395211.

It is a happy number.

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, 2216150 + ... + 2216657.

It is an arithmetic number, because the mean of its divisors is an integer number (212774784).

Almost surely, 2^1125932978 is an apocalyptic number.

1125932978 is a deficient number, since it is larger than the sum of its proper divisors (576265294).

1125932978 is a wasteful number, since it uses less digits than its factorization.

1125932978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4432936.

The product of its digits is 272160, while the sum is 47.

The square root of 1125932978 is about 33554.9247950282. The cubic root of 1125932978 is about 1040.3293391136.

The spelling of 1125932978 in words is "one billion, one hundred twenty-five million, nine hundred thirty-two thousand, nine hundred seventy-eight".