126417601 has 2 divisors, whose sum is σ = 126417602. Its totient is φ = 126417600.

The previous prime is 126417587. The next prime is 126417607. The reversal of 126417601 is 106714621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125417601 + 1000000 = 11199^2 + 1000^2 .

It is a cyclic number.

It is not a de Polignac number, because 126417601 - 2⁵ = 126417569 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 126417601.

It is not a weakly prime, because it can be changed into another prime (126417607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63208800 + 63208801.

It is an arithmetic number, because the mean of its divisors is an integer number (63208801).

Almost surely, 2^126417601 is an apocalyptic number.

It is an amenable number.

126417601 is a deficient number, since it is larger than the sum of its proper divisors (1).

126417601 is an equidigital number, since it uses as much as digits as its factorization.

126417601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 126417601 is about 11243.5582001429. The cubic root of 126417601 is about 501.8830341291.

The spelling of 126417601 in words is "one hundred twenty-six million, four hundred seventeen thousand, six hundred one".