121412606 has 16 divisors (see below), whose sum is σ = 220379616. Its totient is φ = 48973056.

The previous prime is 121412597. The next prime is 121412617. The reversal of 121412606 is 606214121.

It is a super-2 number, since 2×121412606² = 29482041791422472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254831 + ... + 255306.

It is an arithmetic number, because the mean of its divisors is an integer number (13773726).

Almost surely, 2^121412606 is an apocalyptic number.

121412606 is a deficient number, since it is larger than the sum of its proper divisors (98967010).

121412606 is a wasteful number, since it uses less digits than its factorization.

121412606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510163.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 121412606 is about 11018.7388570562. The cubic root of 121412606 is about 495.1703063276.

Adding to 121412606 its reverse (606214121), we get a palindrome (727626727).

The spelling of 121412606 in words is "one hundred twenty-one million, four hundred twelve thousand, six hundred six".