1232522120 has 16 divisors (see below), whose sum is σ = 2773174860. Its totient is φ = 493008832.

The previous prime is 1232522119. The next prime is 1232522129. The reversal of 1232522120 is 212252321.

It can be written as a sum of positive squares in 2 ways, for example, as 1127213476 + 105308644 = 33574^2 + 10262^2 .

It is a super-2 number, since 2×1232522120² = 3038221552578588800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1232522092 and 1232522101.

It is not an unprimeable number, because it can be changed into a prime (1232522129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15406487 + ... + 15406566.

Almost surely, 2^1232522120 is an apocalyptic number.

1232522120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1232522120 is an abundant number, since it is smaller than the sum of its proper divisors (1540652740).

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

1232522120 is a wasteful number, since it uses less digits than its factorization.

1232522120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30813064 (or 30813060 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1232522120 is about 35107.2943987428. The cubic root of 1232522120 is about 1072.1731012702.

Adding to 1232522120 its reverse (212252321), we get a palindrome (1444774441).

The spelling of 1232522120 in words is "one billion, two hundred thirty-two million, five hundred twenty-two thousand, one hundred twenty".