126627247277 has 2 divisors, whose sum is σ = 126627247278. Its totient is φ = 126627247276.

The previous prime is 126627247267. The next prime is 126627247301. The reversal of 126627247277 is 772742726621.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73108588996 + 53518658281 = 270386^2 + 231341^2 .

It is a cyclic number.

It is not a de Polignac number, because 126627247277 - 2²² = 126623052973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126627247267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63313623638 + 63313623639.

It is an arithmetic number, because the mean of its divisors is an integer number (63313623639).

Almost surely, 2^126627247277 is an apocalyptic number.

It is an amenable number.

126627247277 is a deficient number, since it is larger than the sum of its proper divisors (1).

126627247277 is an equidigital number, since it uses as much as digits as its factorization.

126627247277 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5531904, while the sum is 53.

The spelling of 126627247277 in words is "one hundred twenty-six billion, six hundred twenty-seven million, two hundred forty-seven thousand, two hundred seventy-seven".