121132642 has 8 divisors (see below), whose sum is σ = 181746000. Its totient is φ = 60550644.

The previous prime is 121132631. The next prime is 121132643. The reversal of 121132642 is 246231121.

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

It is not an unprimeable number, because it can be changed into a prime (121132643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9409 + ... + 18187.

It is an arithmetic number, because the mean of its divisors is an integer number (22718250).

Almost surely, 2^121132642 is an apocalyptic number.

121132642 is a deficient number, since it is larger than the sum of its proper divisors (60613358).

121132642 is an equidigital number, since it uses as much as digits as its factorization.

121132642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15680.

The product of its digits is 576, while the sum is 22.

The square root of 121132642 is about 11006.0275304035. The cubic root of 121132642 is about 494.7894108123.

Adding to 121132642 its reverse (246231121), we get a palindrome (367363763).

The spelling of 121132642 in words is "one hundred twenty-one million, one hundred thirty-two thousand, six hundred forty-two".