126601022 has 4 divisors (see below), whose sum is σ = 189901536. Its totient is φ = 63300510.

The previous prime is 126601021. The next prime is 126601063. The reversal of 126601022 is 220106621.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 126600985 and 126601003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126601021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31650254 + ... + 31650257.

It is an arithmetic number, because the mean of its divisors is an integer number (47475384).

Almost surely, 2^126601022 is an apocalyptic number.

126601022 is a deficient number, since it is larger than the sum of its proper divisors (63300514).

126601022 is an equidigital number, since it uses as much as digits as its factorization.

126601022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63300513.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 126601022 is about 11251.7119586310. The cubic root of 126601022 is about 502.1256464484.

Adding to 126601022 its reverse (220106621), we get a palindrome (346707643).

The spelling of 126601022 in words is "one hundred twenty-six million, six hundred one thousand, twenty-two".