1220134126 has 16 divisors (see below), whose sum is σ = 1880616960. Its totient is φ = 593278560.

The previous prime is 1220134121. The next prime is 1220134141. The reversal of 1220134126 is 6214310221.

It is a junction number, because it is equal to n+sod(n) for n = 1220134097 and 1220134106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220134121) 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, 235795 + ... + 240913.

It is an arithmetic number, because the mean of its divisors is an integer number (117538560).

Almost surely, 2^1220134126 is an apocalyptic number.

1220134126 is a deficient number, since it is larger than the sum of its proper divisors (660482834).

1220134126 is a wasteful number, since it uses less digits than its factorization.

1220134126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8379.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1220134126 is about 34930.4183484825. The cubic root of 1220134126 is about 1068.5688865333.

Adding to 1220134126 its reverse (6214310221), we get a palindrome (7434444347).

The spelling of 1220134126 in words is "one billion, two hundred twenty million, one hundred thirty-four thousand, one hundred twenty-six".