121080837 has 4 divisors (see below), whose sum is σ = 161441120. Its totient is φ = 80720556.

The previous prime is 121080833. The next prime is 121080847. The reversal of 121080837 is 738080121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 738080121 = 3 ⋅246026707.

It is not a de Polignac number, because 121080837 - 2² = 121080833 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121080833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20180137 + ... + 20180142.

It is an arithmetic number, because the mean of its divisors is an integer number (40360280).

Almost surely, 2^121080837 is an apocalyptic number.

It is an amenable number.

121080837 is a deficient number, since it is larger than the sum of its proper divisors (40360283).

121080837 is an equidigital number, since it uses as much as digits as its factorization.

121080837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40360282.

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 121080837 is about 11003.6737956012. The cubic root of 121080837 is about 494.7188649490.

The spelling of 121080837 in words is "one hundred twenty-one million, eighty thousand, eight hundred thirty-seven".