126231037 has 2 divisors, whose sum is σ = 126231038. Its totient is φ = 126231036.

The previous prime is 126231023. The next prime is 126231067. The reversal of 126231037 is 730132621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113656921 + 12574116 = 10661^2 + 3546^2 .

It is a cyclic number.

It is not a de Polignac number, because 126231037 - 2¹⁵ = 126198269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126231067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63115518 + 63115519.

It is an arithmetic number, because the mean of its divisors is an integer number (63115519).

Almost surely, 2^126231037 is an apocalyptic number.

It is an amenable number.

126231037 is a deficient number, since it is larger than the sum of its proper divisors (1).

126231037 is an equidigital number, since it uses as much as digits as its factorization.

126231037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 126231037 is about 11235.2586530084. The cubic root of 126231037 is about 501.6360236811.

Adding to 126231037 its reverse (730132621), we get a palindrome (856363658).

The spelling of 126231037 in words is "one hundred twenty-six million, two hundred thirty-one thousand, thirty-seven".