1220151162 has 16 divisors (see below), whose sum is σ = 2524451040. Its totient is φ = 392692272.

The previous prime is 1220151151. The next prime is 1220151167. The reversal of 1220151162 is 2611510221.

It is not an unprimeable number, because it can be changed into a prime (1220151167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3506008 + ... + 3506355.

It is an arithmetic number, because the mean of its divisors is an integer number (157778190).

Almost surely, 2^1220151162 is an apocalyptic number.

1220151162 is an abundant number, since it is smaller than the sum of its proper divisors (1304299878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1220151162 is a wasteful number, since it uses less digits than its factorization.

1220151162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7012397.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 1220151162 is about 34930.6622038575. The cubic root of 1220151162 is about 1068.5738597720.

Adding to 1220151162 its reverse (2611510221), we get a palindrome (3831661383).

The spelling of 1220151162 in words is "one billion, two hundred twenty million, one hundred fifty-one thousand, one hundred sixty-two".