126604750465601 has 8 divisors (see below), whose sum is σ = 127103416114344. Its totient is φ = 126106131640320.

The previous prime is 126604750465409. The next prime is 126604750465607. The reversal of 126604750465601 is 106564057406621.

It can be written as a sum of positive squares in 4 ways, for example, as 98441817586225 + 28162932879376 = 9921785^2 + 5306876^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 126604750465601 - 2²⁶ = 126604683356737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126604750465607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6282530 + ... + 17107883.

It is an arithmetic number, because the mean of its divisors is an integer number (15887927014293).

Almost surely, 2^{126604750465601} is an apocalyptic number.

It is an amenable number.

126604750465601 is a deficient number, since it is larger than the sum of its proper divisors (498665648743).

126604750465601 is a wasteful number, since it uses less digits than its factorization.

126604750465601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23411731.

The product of its (nonzero) digits is 7257600, while the sum is 53.

The spelling of 126604750465601 in words is "one hundred twenty-six trillion, six hundred four billion, seven hundred fifty million, four hundred sixty-five thousand, six hundred one".