1220134234 has 24 divisors (see below), whose sum is σ = 2130051924. Its totient is φ = 521980800.

The previous prime is 1220134141. The next prime is 1220134243. The reversal of 1220134234 is 4324310221.

It can be written as a sum of positive squares in 2 ways, for example, as 1180128609 + 40005625 = 34353^2 + 6325^2 .

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 144177 + ... + 152404.

Almost surely, 2^1220134234 is an apocalyptic number.

1220134234 is a deficient number, since it is larger than the sum of its proper divisors (909917690).

1220134234 is a wasteful number, since it uses less digits than its factorization.

1220134234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296622 (or 296611 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1220134234 is about 34930.4198944129. The cubic root of 1220134234 is about 1068.5689180613.

Adding to 1220134234 its reverse (4324310221), we get a palindrome (5544444455).

The spelling of 1220134234 in words is "one billion, two hundred twenty million, one hundred thirty-four thousand, two hundred thirty-four".