1121220434 has 16 divisors (see below), whose sum is σ = 1702239000. Its totient is φ = 553837824.

The previous prime is 1121220413. The next prime is 1121220449. The reversal of 1121220434 is 4340221211.

It can be written as a sum of positive squares in 4 ways, for example, as 1120575625 + 644809 = 33475^2 + 803^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68714 + ... + 83450.

Almost surely, 2^1121220434 is an apocalyptic number.

1121220434 is a deficient number, since it is larger than the sum of its proper divisors (581018566).

1121220434 is a wasteful number, since it uses less digits than its factorization.

1121220434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15197.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1121220434 is about 33484.6298172759. The cubic root of 1121220434 is about 1038.8758915578.

Adding to 1121220434 its reverse (4340221211), we get a palindrome (5461441645).

The spelling of 1121220434 in words is "one billion, one hundred twenty-one million, two hundred twenty thousand, four hundred thirty-four".