121080142 has 8 divisors (see below), whose sum is σ = 189516816. Its totient is φ = 57907872.

The previous prime is 121080121. The next prime is 121080161. The reversal of 121080142 is 241080121.

It is a happy number.

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

It is a pancake number, because a pancake can be divided into 121080142 parts by 15561 straight cuts.

It is a congruent 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, 1316043 + ... + 1316134.

It is an arithmetic number, because the mean of its divisors is an integer number (23689602).

Almost surely, 2^121080142 is an apocalyptic number.

121080142 is a deficient number, since it is larger than the sum of its proper divisors (68436674).

121080142 is a wasteful number, since it uses less digits than its factorization.

121080142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2632202.

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 121080142 is about 11003.6422151940. The cubic root of 121080142 is about 494.7179183906.

The spelling of 121080142 in words is "one hundred twenty-one million, eighty thousand, one hundred forty-two".