73106121 has 32 divisors (see below), whose sum is σ = 112849920. Its totient is φ = 41659200.

The previous prime is 73106101. The next prime is 73106147. The reversal of 73106121 is 12160137.

It is not a de Polignac number, because 73106121 - 2⁶ = 73106057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73106101) 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, 45510 + ... + 47088.

It is an arithmetic number, because the mean of its divisors is an integer number (3526560).

Almost surely, 2^73106121 is an apocalyptic number.

It is an amenable number.

73106121 is a deficient number, since it is larger than the sum of its proper divisors (39743799).

73106121 is a wasteful number, since it uses less digits than its factorization.

73106121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1677.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 73106121 is about 8550.2117517638. The cubic root of 73106121 is about 418.1363401466.

Adding to 73106121 its reverse (12160137), we get a palindrome (85266258).

It can be divided in two parts, 7310 and 6121, that added together give a palindrome (13431).

The spelling of 73106121 in words is "seventy-three million, one hundred six thousand, one hundred twenty-one".