122132520 has 48 divisors (see below), whose sum is σ = 396931860. Its totient is φ = 32568576.

The previous prime is 122132459. The next prime is 122132531. The reversal of 122132520 is 25231221.

122132520 is a `hidden beast` number, since 12 + 2 + 132 + 520 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 108868356 + 13264164 = 10434^2 + 3642^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 122132493 and 122132502.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 169269 + ... + 169988.

Almost surely, 2^122132520 is an apocalyptic number.

122132520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122132520 is an abundant number, since it is smaller than the sum of its proper divisors (274799340).

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

122132520 is a wasteful number, since it uses less digits than its factorization.

122132520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339274 (or 339267 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 122132520 is about 11051.3582875590. The cubic root of 122132520 is about 496.1470796043.

Adding to 122132520 its reverse (25231221), we get a palindrome (147363741).

The spelling of 122132520 in words is "one hundred twenty-two million, one hundred thirty-two thousand, five hundred twenty".