121134042003 has 16 divisors (see below), whose sum is σ = 173944268960. Its totient is φ = 74540507904.

The previous prime is 121134041969. The next prime is 121134042013. The reversal of 121134042003 is 300240431121.

It is not a de Polignac number, because 121134042003 - 2⁹ = 121134041491 is a prime.

It is a super-2 number, since 2×121134042003² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121134042013) 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, 941583 + ... + 1062471.

It is an arithmetic number, because the mean of its divisors is an integer number (10871516810).

Almost surely, 2^121134042003 is an apocalyptic number.

121134042003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

121134042003 is a deficient number, since it is larger than the sum of its proper divisors (52810226957).

121134042003 is a wasteful number, since it uses less digits than its factorization.

121134042003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146598.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 121134042003 its reverse (300240431121), we get a palindrome (421374473124).

The spelling of 121134042003 in words is "one hundred twenty-one billion, one hundred thirty-four million, forty-two thousand, three".