121226125003 has 8 divisors (see below), whose sum is σ = 125410834800. Its totient is φ = 117041715168.

The previous prime is 121226124953. The next prime is 121226125109. The reversal of 121226125003 is 300521622121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121226125003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121226125303) 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, 1016908 + ... + 1129846.

It is an arithmetic number, because the mean of its divisors is an integer number (15676354350).

Almost surely, 2^121226125003 is an apocalyptic number.

121226125003 is a deficient number, since it is larger than the sum of its proper divisors (4184709797).

121226125003 is a wasteful number, since it uses less digits than its factorization.

121226125003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149981.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 121226125003 its reverse (300521622121), we get a palindrome (421747747124).

The spelling of 121226125003 in words is "one hundred twenty-one billion, two hundred twenty-six million, one hundred twenty-five thousand, three".