121601546 has 16 divisors (see below), whose sum is σ = 199317888. Its totient is φ = 55180800.

The previous prime is 121601521. The next prime is 121601563. The reversal of 121601546 is 645106121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9791 + ... + 18413.

It is an arithmetic number, because the mean of its divisors is an integer number (12457368).

Almost surely, 2^121601546 is an apocalyptic number.

121601546 is a deficient number, since it is larger than the sum of its proper divisors (77716342).

121601546 is a wasteful number, since it uses less digits than its factorization.

121601546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9277.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 121601546 is about 11027.3091005920. The cubic root of 121601546 is about 495.4270314236.

Adding to 121601546 its reverse (645106121), we get a palindrome (766707667).

The spelling of 121601546 in words is "one hundred twenty-one million, six hundred one thousand, five hundred forty-six".