126627723041 has 4 divisors (see below), whose sum is σ = 130050093972. Its totient is φ = 123205352112.

The previous prime is 126627722989. The next prime is 126627723127. The reversal of 126627723041 is 140327726621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 140327726621 = 356969 ⋅393109.

It can be written as a sum of positive squares in 2 ways, for example, as 59782206016 + 66845517025 = 244504^2 + 258545^2 .

It is a cyclic number.

It is not a de Polignac number, because 126627723041 - 2³⁴ = 109447853857 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 126627723041.

It is not an unprimeable number, because it can be changed into a prime (126627723241) 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, 1711185410 + ... + 1711185483.

It is an arithmetic number, because the mean of its divisors is an integer number (32512523493).

Almost surely, 2^126627723041 is an apocalyptic number.

It is an amenable number.

126627723041 is a deficient number, since it is larger than the sum of its proper divisors (3422370931).

126627723041 is an equidigital number, since it uses as much as digits as its factorization.

126627723041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3422370930.

The product of its (nonzero) digits is 169344, while the sum is 41.

The spelling of 126627723041 in words is "one hundred twenty-six billion, six hundred twenty-seven million, seven hundred twenty-three thousand, forty-one".