126231097 has 2 divisors, whose sum is σ = 126231098. Its totient is φ = 126231096.

The previous prime is 126231067. The next prime is 126231109. The reversal of 126231097 is 790132621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108388921 + 17842176 = 10411^2 + 4224^2 .

It is a cyclic number.

It is not a de Polignac number, because 126231097 - 2¹⁹ = 125706809 is a prime.

It is not a weakly prime, because it can be changed into another prime (126231037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63115548 + 63115549.

It is an arithmetic number, because the mean of its divisors is an integer number (63115549).

Almost surely, 2^126231097 is an apocalyptic number.

It is an amenable number.

126231097 is a deficient number, since it is larger than the sum of its proper divisors (1).

126231097 is an equidigital number, since it uses as much as digits as its factorization.

126231097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 126231097 is about 11235.2613231736. The cubic root of 126231097 is about 501.6361031601.

The spelling of 126231097 in words is "one hundred twenty-six million, two hundred thirty-one thousand, ninety-seven".