121624066 has 4 divisors (see below), whose sum is σ = 182436102. Its totient is φ = 60812032.

The previous prime is 121624051. The next prime is 121624091. The reversal of 121624066 is 660426121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 121550625 + 73441 = 11025^2 + 271^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30406015 + ... + 30406018.

Almost surely, 2^121624066 is an apocalyptic number.

121624066 is a deficient number, since it is larger than the sum of its proper divisors (60812036).

121624066 is an equidigital number, since it uses as much as digits as its factorization.

121624066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60812035.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 121624066 is about 11028.3301546517. The cubic root of 121624066 is about 495.4576130745.

The spelling of 121624066 in words is "one hundred twenty-one million, six hundred twenty-four thousand, sixty-six".