126370381 has 2 divisors, whose sum is σ = 126370382. Its totient is φ = 126370380.

The previous prime is 126370369. The next prime is 126370393. The reversal of 126370381 is 183073621.

It is a balanced prime because it is at equal distance from previous prime (126370369) and next prime (126370393).

It can be written as a sum of positive squares in only one way, i.e., 75533481 + 50836900 = 8691^2 + 7130^2 .

It is a cyclic number.

It is not a de Polignac number, because 126370381 - 2¹⁹ = 125846093 is a prime.

It is a super-2 number, since 2×126370381² = 31938946388170322, 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 (126370301) 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, 63185190 + 63185191.

It is an arithmetic number, because the mean of its divisors is an integer number (63185191).

Almost surely, 2^126370381 is an apocalyptic number.

It is an amenable number.

126370381 is a deficient number, since it is larger than the sum of its proper divisors (1).

126370381 is an equidigital number, since it uses as much as digits as its factorization.

126370381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 126370381 is about 11241.4581349574. The cubic root of 126370381 is about 501.8205379049.

The spelling of 126370381 in words is "one hundred twenty-six million, three hundred seventy thousand, three hundred eighty-one".