121541003 has 8 divisors (see below), whose sum is σ = 123854400. Its totient is φ = 119236168.

The previous prime is 121540963. The next prime is 121541009. The reversal of 121541003 is 300145121.

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

It is not a de Polignac number, because 121541003 - 2¹² = 121536907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121541009) 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, 31388 + ... + 35046.

It is an arithmetic number, because the mean of its divisors is an integer number (15481800).

Almost surely, 2^121541003 is an apocalyptic number.

121541003 is a deficient number, since it is larger than the sum of its proper divisors (2313397).

121541003 is an equidigital number, since it uses as much as digits as its factorization.

121541003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4281.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 121541003 is about 11024.5636194817. The cubic root of 121541003 is about 495.3447966740.

Adding to 121541003 its reverse (300145121), we get a palindrome (421686124).

The spelling of 121541003 in words is "one hundred twenty-one million, five hundred forty-one thousand, three".