103522120 has 32 divisors (see below), whose sum is σ = 250843320. Its totient is φ = 38223360.

The previous prime is 103522099. The next prime is 103522123. The reversal of 103522120 is 21225301.

It can be written as a sum of positive squares in 4 ways, for example, as 25623844 + 77898276 = 5062^2 + 8826^2 .

It is a junction number, because it is equal to n+sod(n) for n = 103522094 and 103522103.

It is not an unprimeable number, because it can be changed into a prime (103522123) 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, 99021 + ... + 100060.

Almost surely, 2^103522120 is an apocalyptic number.

103522120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103522120 is an abundant number, since it is smaller than the sum of its proper divisors (147321200).

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

103522120 is a wasteful number, since it uses less digits than its factorization.

103522120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199105 (or 199101 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 103522120 is about 10174.5820552984. The cubic root of 103522120 is about 469.5455392789.

Adding to 103522120 its reverse (21225301), we get a palindrome (124747421).

The spelling of 103522120 in words is "one hundred three million, five hundred twenty-two thousand, one hundred twenty".