126900287 has 2 divisors, whose sum is σ = 126900288. Its totient is φ = 126900286.

The previous prime is 126900283. The next prime is 126900299. The reversal of 126900287 is 782009621.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126900287 - 2² = 126900283 is a prime.

It is a super-2 number, since 2×126900287² = 32207365681364738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126900283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63450143 + 63450144.

It is an arithmetic number, because the mean of its divisors is an integer number (63450144).

Almost surely, 2^126900287 is an apocalyptic number.

126900287 is a deficient number, since it is larger than the sum of its proper divisors (1).

126900287 is an equidigital number, since it uses as much as digits as its factorization.

126900287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 126900287 is about 11265.0027518860. The cubic root of 126900287 is about 502.5209839178.

The spelling of 126900287 in words is "one hundred twenty-six million, nine hundred thousand, two hundred eighty-seven".