121141125005 has 8 divisors (see below), whose sum is σ = 151689756672. Its totient is φ = 92699295568.

The previous prime is 121141124987. The next prime is 121141125011. The reversal of 121141125005 is 500521141121.

It is a happy number.

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 121141125005 - 2¹⁶ = 121141059469 is a prime.

It is a super-3 number, since 3×121141125005³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 526700429 + ... + 526700658.

It is an arithmetic number, because the mean of its divisors is an integer number (18961219584).

Almost surely, 2^121141125005 is an apocalyptic number.

It is an amenable number.

121141125005 is a deficient number, since it is larger than the sum of its proper divisors (30548631667).

121141125005 is a wasteful number, since it uses less digits than its factorization.

121141125005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053401115.

The product of its (nonzero) digits is 400, while the sum is 23.

Adding to 121141125005 its reverse (500521141121), we get a palindrome (621662266126).

The spelling of 121141125005 in words is "one hundred twenty-one billion, one hundred forty-one million, one hundred twenty-five thousand, five".