126413869 has 2 divisors, whose sum is σ = 126413870. Its totient is φ = 126413868.

The previous prime is 126413863. The next prime is 126413893. The reversal of 126413869 is 968314621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79655625 + 46758244 = 8925^2 + 6838^2 .

It is a cyclic number.

It is not a de Polignac number, because 126413869 - 2⁷ = 126413741 is a prime.

It is a super-2 number, since 2×126413869² = 31960932551098322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126413863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63206934 + 63206935.

It is an arithmetic number, because the mean of its divisors is an integer number (63206935).

Almost surely, 2^126413869 is an apocalyptic number.

It is an amenable number.

126413869 is a deficient number, since it is larger than the sum of its proper divisors (1).

126413869 is an equidigital number, since it uses as much as digits as its factorization.

126413869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 40.

The square root of 126413869 is about 11243.3922372209. The cubic root of 126413869 is about 501.8780953497.

The spelling of 126413869 in words is "one hundred twenty-six million, four hundred thirteen thousand, eight hundred sixty-nine".