126499487 has 2 divisors, whose sum is σ = 126499488. Its totient is φ = 126499486.

The previous prime is 126499433. The next prime is 126499519. The reversal of 126499487 is 784994621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126499487 - 2⁶ = 126499423 is a prime.

It is a super-2 number, since 2×126499487² = 32004240422526338, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126490487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63249743 + 63249744.

It is an arithmetic number, because the mean of its divisors is an integer number (63249744).

Almost surely, 2^126499487 is an apocalyptic number.

126499487 is a deficient number, since it is larger than the sum of its proper divisors (1).

126499487 is an equidigital number, since it uses as much as digits as its factorization.

126499487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 870912, while the sum is 50.

The square root of 126499487 is about 11247.1990735472. The cubic root of 126499487 is about 501.9913743273.

The spelling of 126499487 in words is "one hundred twenty-six million, four hundred ninety-nine thousand, four hundred eighty-seven".