126626379001 has 2 divisors, whose sum is σ = 126626379002. Its totient is φ = 126626379000.

The previous prime is 126626378953. The next prime is 126626379031. The reversal of 126626379001 is 100973626621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80100320400 + 46526058601 = 283020^2 + 215699^2 .

It is a cyclic number.

It is not a de Polignac number, because 126626379001 - 2¹⁷ = 126626247929 is a prime.

It is not a weakly prime, because it can be changed into another prime (126626379031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63313189500 + 63313189501.

It is an arithmetic number, because the mean of its divisors is an integer number (63313189501).

Almost surely, 2^126626379001 is an apocalyptic number.

It is an amenable number.

126626379001 is a deficient number, since it is larger than the sum of its proper divisors (1).

126626379001 is an equidigital number, since it uses as much as digits as its factorization.

126626379001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 43.

The spelling of 126626379001 in words is "one hundred twenty-six billion, six hundred twenty-six million, three hundred seventy-nine thousand, one".