103243551 has 8 divisors (see below), whose sum is σ = 138945024. Its totient is φ = 68185560.

The previous prime is 103243541. The next prime is 103243561. The reversal of 103243551 is 155342301.

It is an interprime number because it is at equal distance from previous prime (103243541) and next prime (103243561).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 103243551 - 2⁶ = 103243487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103243541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160495 + ... + 161136.

It is an arithmetic number, because the mean of its divisors is an integer number (17368128).

Almost surely, 2^103243551 is an apocalyptic number.

103243551 is a deficient number, since it is larger than the sum of its proper divisors (35701473).

103243551 is a wasteful number, since it uses less digits than its factorization.

103243551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321741.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 103243551 is about 10160.8833769510. The cubic root of 103243551 is about 469.1239922331.

Adding to 103243551 its reverse (155342301), we get a palindrome (258585852).

The spelling of 103243551 in words is "one hundred three million, two hundred forty-three thousand, five hundred fifty-one".