126124871 has 2 divisors, whose sum is σ = 126124872. Its totient is φ = 126124870.

The previous prime is 126124849. The next prime is 126124903. The reversal of 126124871 is 178421621.

It is a happy number.

It is an a-pointer prime, because the next prime (126124903) can be obtained adding 126124871 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126124871 - 2¹⁰ = 126123847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126120871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63062435 + 63062436.

It is an arithmetic number, because the mean of its divisors is an integer number (63062436).

Almost surely, 2^126124871 is an apocalyptic number.

126124871 is a deficient number, since it is larger than the sum of its proper divisors (1).

126124871 is an equidigital number, since it uses as much as digits as its factorization.

126124871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5376, while the sum is 32.

The square root of 126124871 is about 11230.5329793381. The cubic root of 126124871 is about 501.4953513901.

The spelling of 126124871 in words is "one hundred twenty-six million, one hundred twenty-four thousand, eight hundred seventy-one".