126293943101 has 4 divisors (see below), whose sum is σ = 128072731104. Its totient is φ = 124515155100.

The previous prime is 126293943091. The next prime is 126293943107. The reversal of 126293943101 is 101349392621.

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.

It is a cyclic number.

It is not a de Polignac number, because 126293943101 - 2³⁰ = 125220201277 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 (126293943107) 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, 889393895 + ... + 889394036.

It is an arithmetic number, because the mean of its divisors is an integer number (32018182776).

Almost surely, 2^126293943101 is an apocalyptic number.

It is an amenable number.

126293943101 is a deficient number, since it is larger than the sum of its proper divisors (1778788003).

126293943101 is an equidigital number, since it uses as much as digits as its factorization.

126293943101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1778788002.

The product of its (nonzero) digits is 69984, while the sum is 41.

The spelling of 126293943101 in words is "one hundred twenty-six billion, two hundred ninety-three million, nine hundred forty-three thousand, one hundred one".