1220232115 has 8 divisors (see below), whose sum is σ = 1467678528. Its totient is φ = 973919040.

The previous prime is 1220232109. The next prime is 1220232121. The reversal of 1220232115 is 5112320221.

1220232115 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1220232109) and next prime (1220232121).

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

It is not a de Polignac number, because 1220232115 - 2⁹ = 1220231603 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1220232092 and 1220232101.

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, 280962 + ... + 285271.

It is an arithmetic number, because the mean of its divisors is an integer number (183459816).

Almost surely, 2^1220232115 is an apocalyptic number.

1220232115 is a deficient number, since it is larger than the sum of its proper divisors (247446413).

1220232115 is an equidigital number, since it uses as much as digits as its factorization.

1220232115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566669.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1220232115 is about 34931.8209516767. The cubic root of 1220232115 is about 1068.5974913649.

Adding to 1220232115 its reverse (5112320221), we get a palindrome (6332552336).

The spelling of 1220232115 in words is "one billion, two hundred twenty million, two hundred thirty-two thousand, one hundred fifteen".