126885677 has 2 divisors, whose sum is σ = 126885678. Its totient is φ = 126885676.

The previous prime is 126885653. The next prime is 126885709. The reversal of 126885677 is 776588621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78039556 + 48846121 = 8834^2 + 6989^2 .

It is a cyclic number.

It is not a de Polignac number, because 126885677 - 2¹² = 126881581 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126882677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63442838 + 63442839.

It is an arithmetic number, because the mean of its divisors is an integer number (63442839).

Almost surely, 2^126885677 is an apocalyptic number.

It is an amenable number.

126885677 is a deficient number, since it is larger than the sum of its proper divisors (1).

126885677 is an equidigital number, since it uses as much as digits as its factorization.

126885677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1128960, while the sum is 50.

The square root of 126885677 is about 11264.3542646705. The cubic root of 126885677 is about 502.5016981370.

The spelling of 126885677 in words is "one hundred twenty-six million, eight hundred eighty-five thousand, six hundred seventy-seven".