126362381 has 2 divisors, whose sum is σ = 126362382. Its totient is φ = 126362380.

The previous prime is 126362323. The next prime is 126362393. The reversal of 126362381 is 183263621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102839881 + 23522500 = 10141^2 + 4850^2 .

It is a cyclic number.

It is not a de Polignac number, because 126362381 - 2²² = 122168077 is a prime.

It is a super-2 number, since 2×126362381² = 31934902663978322, 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 (126368381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63181190 + 63181191.

It is an arithmetic number, because the mean of its divisors is an integer number (63181191).

Almost surely, 2^126362381 is an apocalyptic number.

It is an amenable number.

126362381 is a deficient number, since it is larger than the sum of its proper divisors (1).

126362381 is an equidigital number, since it uses as much as digits as its factorization.

126362381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 32.

The square root of 126362381 is about 11241.1023035999. The cubic root of 126362381 is about 501.8099482689.

The spelling of 126362381 in words is "one hundred twenty-six million, three hundred sixty-two thousand, three hundred eighty-one".