1125726647 has 2 divisors, whose sum is σ = 1125726648. Its totient is φ = 1125726646.

The previous prime is 1125726631. The next prime is 1125726677. The reversal of 1125726647 is 7466275211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1125726647 - 2⁴ = 1125726631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1125726677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562863323 + 562863324.

It is an arithmetic number, because the mean of its divisors is an integer number (562863324).

Almost surely, 2^1125726647 is an apocalyptic number.

1125726647 is a deficient number, since it is larger than the sum of its proper divisors (1).

1125726647 is an equidigital number, since it uses as much as digits as its factorization.

1125726647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 141120, while the sum is 41.

The square root of 1125726647 is about 33551.8501278245. The cubic root of 1125726647 is about 1040.2657872829.

The spelling of 1125726647 in words is "one billion, one hundred twenty-five million, seven hundred twenty-six thousand, six hundred forty-seven".