126036601 has 4 divisors (see below), whose sum is σ = 126321552. Its totient is φ = 125751652.

The previous prime is 126036539. The next prime is 126036613. The reversal of 126036601 is 106630621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 106630621 = 8123 ⋅13127.

It is a cyclic number.

It is not a de Polignac number, because 126036601 - 2⁹ = 126036089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126036641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141811 + ... + 142696.

It is an arithmetic number, because the mean of its divisors is an integer number (31580388).

Almost surely, 2^126036601 is an apocalyptic number.

It is an amenable number.

126036601 is a deficient number, since it is larger than the sum of its proper divisors (284951).

126036601 is an equidigital number, since it uses as much as digits as its factorization.

126036601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284950.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 126036601 is about 11226.6023800614. The cubic root of 126036601 is about 501.3783315794.

The spelling of 126036601 in words is "one hundred twenty-six million, thirty-six thousand, six hundred one".