126888287 has 2 divisors, whose sum is σ = 126888288. Its totient is φ = 126888286.

The previous prime is 126888271. The next prime is 126888341. The reversal of 126888287 is 782888621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126888287 - 2⁴ = 126888271 is a prime.

It is a super-2 number, since 2×126888287² = 32201274755588738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126888247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63444143 + 63444144.

It is an arithmetic number, because the mean of its divisors is an integer number (63444144).

Almost surely, 2^126888287 is an apocalyptic number.

126888287 is a deficient number, since it is larger than the sum of its proper divisors (1).

126888287 is an equidigital number, since it uses as much as digits as its factorization.

126888287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 688128, while the sum is 50.

The square root of 126888287 is about 11264.4701162549. The cubic root of 126888287 is about 502.5051435494.

The spelling of 126888287 in words is "one hundred twenty-six million, eight hundred eighty-eight thousand, two hundred eighty-seven".