121003023 has 16 divisors (see below), whose sum is σ = 169376256. Its totient is φ = 76692000.

The previous prime is 121003019. The next prime is 121003027. The reversal of 121003023 is 320300121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (121003019) and next prime (121003027).

It is not a de Polignac number, because 121003023 - 2² = 121003019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121003027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6273 + ... + 16773.

It is an arithmetic number, because the mean of its divisors is an integer number (10586016).

Almost surely, 2^121003023 is an apocalyptic number.

121003023 is a deficient number, since it is larger than the sum of its proper divisors (48373233).

121003023 is a wasteful number, since it uses less digits than its factorization.

121003023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10694.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 121003023 is about 11000.1374082327. The cubic root of 121003023 is about 494.6128633050.

Adding to 121003023 its reverse (320300121), we get a palindrome (441303144).

The spelling of 121003023 in words is "one hundred twenty-one million, three thousand, twenty-three".