122121003 has 8 divisors (see below), whose sum is σ = 163462608. Its totient is φ = 81096704.

The previous prime is 122120987. The next prime is 122121017. The reversal of 122121003 is 300121221.

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 122121003 - 2⁴ = 122120987 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122121003.

It is not an unprimeable number, because it can be changed into a prime (122121203) 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, 78426 + ... + 79967.

It is an arithmetic number, because the mean of its divisors is an integer number (20432826).

Almost surely, 2^122121003 is an apocalyptic number.

122121003 is a deficient number, since it is larger than the sum of its proper divisors (41341605).

122121003 is a wasteful number, since it uses less digits than its factorization.

122121003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158653.

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

The square root of 122121003 is about 11050.8372081033. The cubic root of 122121003 is about 496.1314836884.

Adding to 122121003 its reverse (300121221), we get a palindrome (422242224).

The spelling of 122121003 in words is "one hundred twenty-two million, one hundred twenty-one thousand, three".