1223152151 has 24 divisors (see below), whose sum is σ = 1433018160. Its totient is φ = 1034933760.

The previous prime is 1223152127. The next prime is 1223152171. The reversal of 1223152151 is 1512513221.

It is a de Polignac number, because none of the positive numbers 2^k-1223152151 is a prime.

It is a super-2 number, since 2×1223152151² = 2992202368991853602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223152171) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 234791 + ... + 239943.

It is an arithmetic number, because the mean of its divisors is an integer number (59709090).

Almost surely, 2^1223152151 is an apocalyptic number.

1223152151 is a deficient number, since it is larger than the sum of its proper divisors (209866009).

1223152151 is a wasteful number, since it uses less digits than its factorization.

1223152151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5247 (or 5216 counting only the distinct ones).

The product of its digits is 600, while the sum is 23.

The square root of 1223152151 is about 34973.5921946831. The cubic root of 1223152151 is about 1069.4492029364.

Adding to 1223152151 its reverse (1512513221), we get a palindrome (2735665372).

The spelling of 1223152151 in words is "one billion, two hundred twenty-three million, one hundred fifty-two thousand, one hundred fifty-one".