126270287 has 16 divisors (see below), whose sum is σ = 149724960. Its totient is φ = 104976000.

The previous prime is 126270281. The next prime is 126270289. The reversal of 126270287 is 782072621.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126270287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126270281) 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 in 15 ways as a sum of consecutive naturals, for example, 11537 + ... + 19637.

It is an arithmetic number, because the mean of its divisors is an integer number (9357810).

Almost surely, 2^126270287 is an apocalyptic number.

126270287 is a deficient number, since it is larger than the sum of its proper divisors (23454673).

126270287 is a wasteful number, since it uses less digits than its factorization.

126270287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8234.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 126270287 is about 11237.0052505105. The cubic root of 126270287 is about 501.6880108259.

The spelling of 126270287 in words is "one hundred twenty-six million, two hundred seventy thousand, two hundred eighty-seven".