121071242 has 8 divisors (see below), whose sum is σ = 181653732. Its totient is φ = 60520000.

The previous prime is 121071233. The next prime is 121071253. The reversal of 121071242 is 242170121.

It can be written as a sum of positive squares in 2 ways, for example, as 86508601 + 34562641 = 9301^2 + 5879^2 .

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

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, 9992 + ... + 18492.

Almost surely, 2^121071242 is an apocalyptic number.

121071242 is a deficient number, since it is larger than the sum of its proper divisors (60582490).

121071242 is an equidigital number, since it uses as much as digits as its factorization.

121071242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15624.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 121071242 is about 11003.2377962125. The cubic root of 121071242 is about 494.7057966744.

The spelling of 121071242 in words is "one hundred twenty-one million, seventy-one thousand, two hundred forty-two".