121152442 has 8 divisors (see below), whose sum is σ = 181857600. Its totient is φ = 60533244.

The previous prime is 121152403. The next prime is 121152461. The reversal of 121152442 is 244251121.

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, 17842 + ... + 23677.

It is an arithmetic number, because the mean of its divisors is an integer number (22732200).

Almost surely, 2^121152442 is an apocalyptic number.

121152442 is a deficient number, since it is larger than the sum of its proper divisors (60705158).

121152442 is a wasteful number, since it uses less digits than its factorization.

121152442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42980.

The product of its digits is 640, while the sum is 22.

The square root of 121152442 is about 11006.9270007573. The cubic root of 121152442 is about 494.8163683041.

The spelling of 121152442 in words is "one hundred twenty-one million, one hundred fifty-two thousand, four hundred forty-two".