126622157 has 2 divisors, whose sum is σ = 126622158. Its totient is φ = 126622156.

The previous prime is 126622147. The next prime is 126622187. The reversal of 126622157 is 751226621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79370281 + 47251876 = 8909^2 + 6874^2 .

It is a cyclic number.

It is not a de Polignac number, because 126622157 - 2¹² = 126618061 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126622117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63311078 + 63311079.

It is an arithmetic number, because the mean of its divisors is an integer number (63311079).

Almost surely, 2^126622157 is an apocalyptic number.

It is an amenable number.

126622157 is a deficient number, since it is larger than the sum of its proper divisors (1).

126622157 is an equidigital number, since it uses as much as digits as its factorization.

126622157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 32.

The square root of 126622157 is about 11252.6511098496. The cubic root of 126622157 is about 502.1535868101.

Adding to 126622157 its reverse (751226621), we get a palindrome (877848778).

The spelling of 126622157 in words is "one hundred twenty-six million, six hundred twenty-two thousand, one hundred fifty-seven".