126263101 has 4 divisors (see below), whose sum is σ = 126347104. Its totient is φ = 126179100.

The previous prime is 126263099. The next prime is 126263141. The reversal of 126263101 is 101362621.

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: 101362621 = 2371 ⋅42751.

It is a cyclic number.

It is not a de Polignac number, because 126263101 - 2¹ = 126263099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126263141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39705 + ... + 42766.

It is an arithmetic number, because the mean of its divisors is an integer number (31586776).

Almost surely, 2^126263101 is an apocalyptic number.

It is an amenable number.

126263101 is a deficient number, since it is larger than the sum of its proper divisors (84003).

126263101 is an equidigital number, since it uses as much as digits as its factorization.

126263101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84002.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 126263101 is about 11236.6854988471. The cubic root of 126263101 is about 501.6784936794.

The spelling of 126263101 in words is "one hundred twenty-six million, two hundred sixty-three thousand, one hundred one".