1220098135 has 16 divisors (see below), whose sum is σ = 1528758720. Its totient is φ = 933039360.

The previous prime is 1220098081. The next prime is 1220098141. The reversal of 1220098135 is 5318900221.

It is not a de Polignac number, because 1220098135 - 2²⁵ = 1186543703 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1220098097 and 1220098106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 272515 + ... + 276955.

It is an arithmetic number, because the mean of its divisors is an integer number (95547420).

Almost surely, 2^1220098135 is an apocalyptic number.

1220098135 is a deficient number, since it is larger than the sum of its proper divisors (308660585).

1220098135 is a wasteful number, since it uses less digits than its factorization.

1220098135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6858.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 1220098135 is about 34929.9031633356. The cubic root of 1220098135 is about 1068.5583796990.

Adding to 1220098135 its reverse (5318900221), we get a palindrome (6538998356).

The spelling of 1220098135 in words is "one billion, two hundred twenty million, ninety-eight thousand, one hundred thirty-five".