121108473 has 16 divisors (see below), whose sum is σ = 179594560. Its totient is φ = 80660448.

The previous prime is 121108469. The next prime is 121108487. The reversal of 121108473 is 374801121.

It is not a de Polignac number, because 121108473 - 2² = 121108469 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121108433) 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, 43386 + ... + 46092.

It is an arithmetic number, because the mean of its divisors is an integer number (11224660).

Almost surely, 2^121108473 is an apocalyptic number.

It is an amenable number.

121108473 is a deficient number, since it is larger than the sum of its proper divisors (58486087).

121108473 is a wasteful number, since it uses less digits than its factorization.

121108473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4373 (or 4367 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 121108473 is about 11004.9294863711. The cubic root of 121108473 is about 494.7565009913.

Adding to 121108473 its reverse (374801121), we get a palindrome (495909594).

The spelling of 121108473 in words is "one hundred twenty-one million, one hundred eight thousand, four hundred seventy-three".