1220235122 has 8 divisors (see below), whose sum is σ = 1830738672. Its totient is φ = 609988900.

The previous prime is 1220235101. The next prime is 1220235127. The reversal of 1220235122 is 2215320221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1220235094 and 1220235103.

It is not an unprimeable number, because it can be changed into a prime (1220235127) 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 in 3 ways as a sum of consecutive naturals, for example, 52004 + ... + 71727.

It is an arithmetic number, because the mean of its divisors is an integer number (228842334).

Almost surely, 2^1220235122 is an apocalyptic number.

1220235122 is a deficient number, since it is larger than the sum of its proper divisors (610503550).

1220235122 is a wasteful number, since it uses less digits than its factorization.

1220235122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128664.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1220235122 is about 34931.8639926357. The cubic root of 1220235122 is about 1068.5983691405.

Adding to 1220235122 its reverse (2215320221), we get a palindrome (3435555343).

The spelling of 1220235122 in words is "one billion, two hundred twenty million, two hundred thirty-five thousand, one hundred twenty-two".