126862349 has 2 divisors, whose sum is σ = 126862350. Its totient is φ = 126862348.

The previous prime is 126862321. The next prime is 126862369. The reversal of 126862349 is 943268621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123365449 + 3496900 = 11107^2 + 1870^2 .

It is an emirp because it is prime and its reverse (943268621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126862349 - 2²⁰ = 125813773 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126862369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63431174 + 63431175.

It is an arithmetic number, because the mean of its divisors is an integer number (63431175).

Almost surely, 2^126862349 is an apocalyptic number.

It is an amenable number.

126862349 is a deficient number, since it is larger than the sum of its proper divisors (1).

126862349 is an equidigital number, since it uses as much as digits as its factorization.

126862349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 41.

The square root of 126862349 is about 11263.3187382760. The cubic root of 126862349 is about 502.4709011804.

The spelling of 126862349 in words is "one hundred twenty-six million, eight hundred sixty-two thousand, three hundred forty-nine".