126620061 has 8 divisors (see below), whose sum is σ = 174648480. Its totient is φ = 81502512.

The previous prime is 126620059. The next prime is 126620071. The reversal of 126620061 is 160026621.

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

It is not a de Polignac number, because 126620061 - 2¹ = 126620059 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126620071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 727615 + ... + 727788.

It is an arithmetic number, because the mean of its divisors is an integer number (21831060).

Almost surely, 2^126620061 is an apocalyptic number.

It is an amenable number.

126620061 is a deficient number, since it is larger than the sum of its proper divisors (48028419).

126620061 is a wasteful number, since it uses less digits than its factorization.

126620061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1455435.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 126620061 is about 11252.5579758560. The cubic root of 126620061 is about 502.1508160477.

Adding to 126620061 its reverse (160026621), we get a palindrome (286646682).

The spelling of 126620061 in words is "one hundred twenty-six million, six hundred twenty thousand, sixty-one".