126711061 has 4 divisors (see below), whose sum is σ = 127348000. Its totient is φ = 126074124.

The previous prime is 126711059. The next prime is 126711113. The reversal of 126711061 is 160117621.

It is a happy number.

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: 160117621 = 109 ⋅1468969.

It is a cyclic number.

It is not a de Polignac number, because 126711061 - 2¹ = 126711059 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 (126711001) 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, 318171 + ... + 318568.

It is an arithmetic number, because the mean of its divisors is an integer number (31837000).

Almost surely, 2^126711061 is an apocalyptic number.

It is an amenable number.

126711061 is a deficient number, since it is larger than the sum of its proper divisors (636939).

126711061 is an equidigital number, since it uses as much as digits as its factorization.

126711061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636938.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 126711061 is about 11256.6007746566. The cubic root of 126711061 is about 502.2710834085.

Adding to 126711061 its reverse (160117621), we get a palindrome (286828682).

The spelling of 126711061 in words is "one hundred twenty-six million, seven hundred eleven thousand, sixty-one".