121642602 has 8 divisors (see below), whose sum is σ = 243285216. Its totient is φ = 40547532.

The previous prime is 121642597. The next prime is 121642621. The reversal of 121642602 is 206246121.

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

121642602 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10136878 + ... + 10136889.

It is an arithmetic number, because the mean of its divisors is an integer number (30410652).

Almost surely, 2^121642602 is an apocalyptic number.

121642602 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121642602 is a wasteful number, since it uses less digits than its factorization.

121642602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20273772.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 121642602 is about 11029.1705037142. The cubic root of 121642602 is about 495.4827817112.

Adding to 121642602 its reverse (206246121), we get a palindrome (327888723).

The spelling of 121642602 in words is "one hundred twenty-one million, six hundred forty-two thousand, six hundred two".