121417270137 has 32 divisors (see below), whose sum is σ = 190669104000. Its totient is φ = 76099129344.

The previous prime is 121417270099. The next prime is 121417270229. The reversal of 121417270137 is 731072714121.

It is not a de Polignac number, because 121417270137 - 2²⁴ = 121400492921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121417270837) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 270489 + ... + 562137.

It is an arithmetic number, because the mean of its divisors is an integer number (5958409500).

Almost surely, 2^121417270137 is an apocalyptic number.

121417270137 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

121417270137 is a deficient number, since it is larger than the sum of its proper divisors (69251833863).

121417270137 is a wasteful number, since it uses less digits than its factorization.

121417270137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292582 (or 292576 counting only the distinct ones).

The product of its (nonzero) digits is 16464, while the sum is 36.

Adding to 121417270137 its reverse (731072714121), we get a palindrome (852489984258).

The spelling of 121417270137 in words is "one hundred twenty-one billion, four hundred seventeen million, two hundred seventy thousand, one hundred thirty-seven".