103551121 has 8 divisors (see below), whose sum is σ = 109098080. Its totient is φ = 98013888.

The previous prime is 103551109. The next prime is 103551127. The reversal of 103551121 is 121155301.

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

It is a cyclic number.

It is not a de Polignac number, because 103551121 - 2⁹ = 103550609 is a prime.

It is a super-3 number, since 3×103551121³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103551127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32230 + ... + 35296.

It is an arithmetic number, because the mean of its divisors is an integer number (13637260).

Almost surely, 2^103551121 is an apocalyptic number.

It is an amenable number.

103551121 is a deficient number, since it is larger than the sum of its proper divisors (5546959).

103551121 is a wasteful number, since it uses less digits than its factorization.

103551121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4863.

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 103551121 is about 10176.0071246044. The cubic root of 103551121 is about 469.5893818213.

It can be divided in two parts, 10355 and 1121, that added together give a triangular number (11476 = T₁₅₁).

The spelling of 103551121 in words is "one hundred three million, five hundred fifty-one thousand, one hundred twenty-one".