1125726677 has 2 divisors, whose sum is σ = 1125726678. Its totient is φ = 1125726676.

The previous prime is 1125726647. The next prime is 1125726761. The reversal of 1125726677 is 7766275211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1110155761 + 15570916 = 33319^2 + 3946^2 .

It is an emirp because it is prime and its reverse (7766275211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1125726677 - 2¹⁸ = 1125464533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1125726647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562863338 + 562863339.

It is an arithmetic number, because the mean of its divisors is an integer number (562863339).

Almost surely, 2^1125726677 is an apocalyptic number.

It is an amenable number.

1125726677 is a deficient number, since it is larger than the sum of its proper divisors (1).

1125726677 is an equidigital number, since it uses as much as digits as its factorization.

1125726677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 246960, while the sum is 44.

The square root of 1125726677 is about 33551.8505748938. The cubic root of 1125726677 is about 1040.2657965237.

The spelling of 1125726677 in words is "one billion, one hundred twenty-five million, seven hundred twenty-six thousand, six hundred seventy-seven".