103534921 has 4 divisors (see below), whose sum is σ = 118325632. Its totient is φ = 88744212.

The previous prime is 103534919. The next prime is 103534931. The reversal of 103534921 is 129435301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 129435301 = 5171 ⋅25031.

It is a cyclic number.

It is not a de Polignac number, because 103534921 - 2¹ = 103534919 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103534921.

It is not an unprimeable number, because it can be changed into a prime (103534931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7395345 + ... + 7395358.

It is an arithmetic number, because the mean of its divisors is an integer number (29581408).

Almost surely, 2^103534921 is an apocalyptic number.

It is an amenable number.

103534921 is a deficient number, since it is larger than the sum of its proper divisors (14790711).

103534921 is an equidigital number, since it uses as much as digits as its factorization.

103534921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14790710.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 103534921 is about 10175.2111034612. The cubic root of 103534921 is about 469.5648923239.

The spelling of 103534921 in words is "one hundred three million, five hundred thirty-four thousand, nine hundred twenty-one".