121637122 has 8 divisors (see below), whose sum is σ = 183548736. Its totient is φ = 60454212.

The previous prime is 121637083. The next prime is 121637137. The reversal of 121637122 is 221736121.

It is a happy number.

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

It is a plaindrome in base 14.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181758 + ... + 182425.

It is an arithmetic number, because the mean of its divisors is an integer number (22943592).

Almost surely, 2^121637122 is an apocalyptic number.

121637122 is a deficient number, since it is larger than the sum of its proper divisors (61911614).

121637122 is a wasteful number, since it uses less digits than its factorization.

121637122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364352.

The product of its digits is 1008, while the sum is 25.

The square root of 121637122 is about 11028.9220688152. The cubic root of 121637122 is about 495.4753410987.

The spelling of 121637122 in words is "one hundred twenty-one million, six hundred thirty-seven thousand, one hundred twenty-two".