1220314245 has 8 divisors (see below), whose sum is σ = 1952502816. Its totient is φ = 650834256.

The previous prime is 1220314231. The next prime is 1220314253. The reversal of 1220314245 is 5424130221.

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

It is not a de Polignac number, because 1220314245 - 2⁶ = 1220314181 is a prime.

It is a congruent number.

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, 40677127 + ... + 40677156.

It is an arithmetic number, because the mean of its divisors is an integer number (244062852).

Almost surely, 2^1220314245 is an apocalyptic number.

1220314245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1220314245 is a deficient number, since it is larger than the sum of its proper divisors (732188571).

1220314245 is an equidigital number, since it uses as much as digits as its factorization.

1220314245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81354291.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 1220314245 is about 34932.9965076001. The cubic root of 1220314245 is about 1068.6214654766.

Adding to 1220314245 its reverse (5424130221), we get a palindrome (6644444466).

The spelling of 1220314245 in words is "one billion, two hundred twenty million, three hundred fourteen thousand, two hundred forty-five".