126971413 has 2 divisors, whose sum is σ = 126971414. Its totient is φ = 126971412.

The previous prime is 126971401. The next prime is 126971417. The reversal of 126971413 is 314179621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123810129 + 3161284 = 11127^2 + 1778^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126971413 is a prime.

It is a super-2 number, since 2×126971413² = 32243479438433138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126971417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63485706 + 63485707.

It is an arithmetic number, because the mean of its divisors is an integer number (63485707).

Almost surely, 2^126971413 is an apocalyptic number.

It is an amenable number.

126971413 is a deficient number, since it is larger than the sum of its proper divisors (1).

126971413 is an equidigital number, since it uses as much as digits as its factorization.

126971413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 34.

The square root of 126971413 is about 11268.1592551756. The cubic root of 126971413 is about 502.6148519269.

The spelling of 126971413 in words is "one hundred twenty-six million, nine hundred seventy-one thousand, four hundred thirteen".