103880521 has 2 divisors, whose sum is σ = 103880522. Its totient is φ = 103880520.

The previous prime is 103880519. The next prime is 103880551. The reversal of 103880521 is 125088301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81649296 + 22231225 = 9036^2 + 4715^2 .

It is a cyclic number.

It is not a de Polignac number, because 103880521 - 2¹ = 103880519 is a prime.

Together with 103880519, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 103880521.

It is not a weakly prime, because it can be changed into another prime (103880551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51940260 + 51940261.

It is an arithmetic number, because the mean of its divisors is an integer number (51940261).

Almost surely, 2^103880521 is an apocalyptic number.

It is an amenable number.

103880521 is a deficient number, since it is larger than the sum of its proper divisors (1).

103880521 is an equidigital number, since it uses as much as digits as its factorization.

103880521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 103880521 is about 10192.1794038370. The cubic root of 103880521 is about 470.0867819232.

It can be divided in two parts, 103880 and 521, that added together give a palindrome (104401).

The spelling of 103880521 in words is "one hundred three million, eight hundred eighty thousand, five hundred twenty-one".