126590377 has 2 divisors, whose sum is σ = 126590378. Its totient is φ = 126590376.

The previous prime is 126590291. The next prime is 126590383. The reversal of 126590377 is 773095621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124902976 + 1687401 = 11176^2 + 1299^2 .

It is a cyclic number.

It is not a de Polignac number, because 126590377 - 2¹⁹ = 126066089 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (126590077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63295188 + 63295189.

It is an arithmetic number, because the mean of its divisors is an integer number (63295189).

Almost surely, 2^126590377 is an apocalyptic number.

It is an amenable number.

126590377 is a deficient number, since it is larger than the sum of its proper divisors (1).

126590377 is an equidigital number, since it uses as much as digits as its factorization.

126590377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 79380, while the sum is 40.

The square root of 126590377 is about 11251.2389095601. The cubic root of 126590377 is about 502.1115726354. Note that the first 3 decimals are identical.

The spelling of 126590377 in words is "one hundred twenty-six million, five hundred ninety thousand, three hundred seventy-seven".