126270587 has 2 divisors, whose sum is σ = 126270588. Its totient is φ = 126270586.

The previous prime is 126270583. The next prime is 126270601. The reversal of 126270587 is 785072621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126270587 - 2² = 126270583 is a prime.

It is a super-2 number, since 2×126270587² = 31888522282649138, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 126270587.

It is not a weakly prime, because it can be changed into another prime (126270583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63135293 + 63135294.

It is an arithmetic number, because the mean of its divisors is an integer number (63135294).

Almost surely, 2^126270587 is an apocalyptic number.

126270587 is a deficient number, since it is larger than the sum of its proper divisors (1).

126270587 is an equidigital number, since it uses as much as digits as its factorization.

126270587 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 126270587 is about 11237.0185992549. The cubic root of 126270587 is about 501.6884081383.

The spelling of 126270587 in words is "one hundred twenty-six million, two hundred seventy thousand, five hundred eighty-seven".