1125727562 has 4 divisors (see below), whose sum is σ = 1688591346. Its totient is φ = 562863780.

The previous prime is 1125727549. The next prime is 1125727601. The reversal of 1125727562 is 2657275211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1124864521 + 863041 = 33539^2 + 929^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281431889 + ... + 281431892.

Almost surely, 2^1125727562 is an apocalyptic number.

1125727562 is a deficient number, since it is larger than the sum of its proper divisors (562863784).

1125727562 is an equidigital number, since it uses as much as digits as its factorization.

1125727562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562863783.

The product of its digits is 58800, while the sum is 38.

The square root of 1125727562 is about 33551.8637634335. The cubic root of 1125727562 is about 1040.2660691284.

The spelling of 1125727562 in words is "one billion, one hundred twenty-five million, seven hundred twenty-seven thousand, five hundred sixty-two".