103132121 has 4 divisors (see below), whose sum is σ = 103152612. Its totient is φ = 103111632.

The previous prime is 103132111. The next prime is 103132123. The reversal of 103132121 is 121231301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 52722121 + 50410000 = 7261^2 + 7100^2 .

It is a cyclic number.

It is not a de Polignac number, because 103132121 - 2¹⁰ = 103131097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 103132096 and 103132105.

It is not an unprimeable number, because it can be changed into a prime (103132123) 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, 3095 + ... + 14691.

It is an arithmetic number, because the mean of its divisors is an integer number (25788153).

Almost surely, 2^103132121 is an apocalyptic number.

It is an amenable number.

103132121 is a deficient number, since it is larger than the sum of its proper divisors (20491).

103132121 is an equidigital number, since it uses as much as digits as its factorization.

103132121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20490.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 103132121 is about 10155.3986135454. The cubic root of 103132121 is about 468.9551574610.

Adding to 103132121 its reverse (121231301), we get a palindrome (224363422).

The spelling of 103132121 in words is "one hundred three million, one hundred thirty-two thousand, one hundred twenty-one".