126160562221 has 4 divisors (see below), whose sum is σ = 126162370944. Its totient is φ = 126158753500.

The previous prime is 126160562201. The next prime is 126160562263. The reversal of 126160562221 is 122265061621.

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 126160562221 - 2⁵ = 126160562189 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 (126160562201) 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, 795355 + ... + 940696.

It is an arithmetic number, because the mean of its divisors is an integer number (31540592736).

Almost surely, 2^126160562221 is an apocalyptic number.

It is an amenable number.

126160562221 is a deficient number, since it is larger than the sum of its proper divisors (1808723).

126160562221 is an equidigital number, since it uses as much as digits as its factorization.

126160562221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1808722.

The product of its (nonzero) digits is 17280, while the sum is 34.

The spelling of 126160562221 in words is "one hundred twenty-six billion, one hundred sixty million, five hundred sixty-two thousand, two hundred twenty-one".