1220153151 has 16 divisors (see below), whose sum is σ = 1940120064. Its totient is φ = 666915744.

The previous prime is 1220153119. The next prime is 1220153161. The reversal of 1220153151 is 1513510221.

It is not a de Polignac number, because 1220153151 - 2⁵ = 1220153119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220153101) 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 15 ways as a sum of consecutive naturals, for example, 1262616 + ... + 1263581.

It is an arithmetic number, because the mean of its divisors is an integer number (121257504).

Almost surely, 2^1220153151 is an apocalyptic number.

1220153151 is a deficient number, since it is larger than the sum of its proper divisors (719966913).

1220153151 is a wasteful number, since it uses less digits than its factorization.

1220153151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2526230.

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 1220153151 is about 34930.6906745343. The cubic root of 1220153151 is about 1068.5744404083.

Adding to 1220153151 its reverse (1513510221), we get a palindrome (2733663372).

The spelling of 1220153151 in words is "one billion, two hundred twenty million, one hundred fifty-three thousand, one hundred fifty-one".