126425161 has 4 divisors (see below), whose sum is σ = 130503424. Its totient is φ = 122346900.

The previous prime is 126425147. The next prime is 126425197. The reversal of 126425161 is 161524621.

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 126425161 - 2⁵ = 126425129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126425861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2039085 + ... + 2039146.

It is an arithmetic number, because the mean of its divisors is an integer number (32625856).

Almost surely, 2^126425161 is an apocalyptic number.

It is an amenable number.

126425161 is a deficient number, since it is larger than the sum of its proper divisors (4078263).

126425161 is an equidigital number, since it uses as much as digits as its factorization.

126425161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4078262.

The product of its digits is 2880, while the sum is 28.

The square root of 126425161 is about 11243.8943876221. The cubic root of 126425161 is about 501.8930384325.

Adding to 126425161 its reverse (161524621), we get a palindrome (287949782).

The spelling of 126425161 in words is "one hundred twenty-six million, four hundred twenty-five thousand, one hundred sixty-one".