103243955 has 4 divisors (see below), whose sum is σ = 123892752. Its totient is φ = 82595160.

The previous prime is 103243939. The next prime is 103243961. The reversal of 103243955 is 559342301.

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

It is not a de Polignac number, because 103243955 - 2⁴ = 103243939 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 10324391 + ... + 10324400.

It is an arithmetic number, because the mean of its divisors is an integer number (30973188).

Almost surely, 2^103243955 is an apocalyptic number.

103243955 is a deficient number, since it is larger than the sum of its proper divisors (20648797).

103243955 is an equidigital number, since it uses as much as digits as its factorization.

103243955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20648796.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 103243955 is about 10160.9032570928. The cubic root of 103243955 is about 469.1246041385.

The spelling of 103243955 in words is "one hundred three million, two hundred forty-three thousand, nine hundred fifty-five".