126065641 has 8 divisors (see below), whose sum is σ = 138325320. Its totient is φ = 114172032.

The previous prime is 126065579. The next prime is 126065651. The reversal of 126065641 is 146560621.

It can be written as a sum of positive squares in 4 ways, for example, as 22127616 + 103938025 = 4704^2 + 10195^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 126065641 - 2⁹ = 126065129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126065651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90796 + ... + 92173.

It is an arithmetic number, because the mean of its divisors is an integer number (17290665).

Almost surely, 2^126065641 is an apocalyptic number.

It is an amenable number.

126065641 is a deficient number, since it is larger than the sum of its proper divisors (12259679).

126065641 is a wasteful number, since it uses less digits than its factorization.

126065641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183035.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 126065641 is about 11227.8956621444. The cubic root of 126065641 is about 501.4168360258.

The spelling of 126065641 in words is "one hundred twenty-six million, sixty-five thousand, six hundred forty-one".