121122003 has 8 divisors (see below), whose sum is σ = 161607616. Its totient is φ = 80692200.

The previous prime is 121121981. The next prime is 121122007. The reversal of 121122003 is 300221121.

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

It is not a de Polignac number, because 121122003 - 2⁶ = 121121939 is a prime.

It is a super-2 number, since 2×121122003² = 29341079221464018, which contains 22 as substring.

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 121122003.

It is not an unprimeable number, because it can be changed into a prime (121122007) 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, 8593 + ... + 17778.

It is an arithmetic number, because the mean of its divisors is an integer number (20200952).

Almost surely, 2^121122003 is an apocalyptic number.

121122003 is a deficient number, since it is larger than the sum of its proper divisors (40485613).

121122003 is a wasteful number, since it uses less digits than its factorization.

121122003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27905.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 121122003 is about 11005.5441937235. The cubic root of 121122003 is about 494.7749247124.

Adding to 121122003 its reverse (300221121), we get a palindrome (421343124).

The spelling of 121122003 in words is "one hundred twenty-one million, one hundred twenty-two thousand, three".