1125744434 has 8 divisors (see below), whose sum is σ = 1689068700. Its totient is φ = 562721536.

The previous prime is 1125744419. The next prime is 1125744469. The reversal of 1125744434 is 4344475211.

It can be written as a sum of positive squares in 2 ways, for example, as 948455209 + 177289225 = 30797^2 + 13315^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1125744394 and 1125744403.

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, 65759 + ... + 81090.

Almost surely, 2^1125744434 is an apocalyptic number.

1125744434 is a deficient number, since it is larger than the sum of its proper divisors (563324266).

1125744434 is a wasteful number, since it uses less digits than its factorization.

1125744434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150684.

The product of its digits is 53760, while the sum is 35.

The square root of 1125744434 is about 33552.1151941275. The cubic root of 1125744434 is about 1040.2712661470.

The spelling of 1125744434 in words is "one billion, one hundred twenty-five million, seven hundred forty-four thousand, four hundred thirty-four".