1220054126 has 4 divisors (see below), whose sum is σ = 1830081192. Its totient is φ = 610027062.

The previous prime is 1220054123. The next prime is 1220054149. The reversal of 1220054126 is 6214500221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6214500221 = 19 ⋅327078959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220054123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305013530 + ... + 305013533.

It is an arithmetic number, because the mean of its divisors is an integer number (457520298).

Almost surely, 2^1220054126 is an apocalyptic number.

1220054126 is a deficient number, since it is larger than the sum of its proper divisors (610027066).

1220054126 is an equidigital number, since it uses as much as digits as its factorization.

1220054126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610027065.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1220054126 is about 34929.2731959885. The cubic root of 1220054126 is about 1068.5455318934.

Adding to 1220054126 its reverse (6214500221), we get a palindrome (7434554347).

The spelling of 1220054126 in words is "one billion, two hundred twenty million, fifty-four thousand, one hundred twenty-six".