126341389 has 2 divisors, whose sum is σ = 126341390. Its totient is φ = 126341388.

The previous prime is 126341321. The next prime is 126341407. The reversal of 126341389 is 983143621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107288164 + 19053225 = 10358^2 + 4365^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126341389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126341689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63170694 + 63170695.

It is an arithmetic number, because the mean of its divisors is an integer number (63170695).

Almost surely, 2^126341389 is an apocalyptic number.

It is an amenable number.

126341389 is a deficient number, since it is larger than the sum of its proper divisors (1).

126341389 is an equidigital number, since it uses as much as digits as its factorization.

126341389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 37.

The square root of 126341389 is about 11240.1685485583. The cubic root of 126341389 is about 501.7821589386.

The spelling of 126341389 in words is "one hundred twenty-six million, three hundred forty-one thousand, three hundred eighty-nine".