121124030142 has 8 divisors (see below), whose sum is σ = 242248060296. Its totient is φ = 40374676712.

The previous prime is 121124030051. The next prime is 121124030143. The reversal of 121124030142 is 241030421121.

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

121124030142 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121124030143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10093669173 + ... + 10093669184.

It is an arithmetic number, because the mean of its divisors is an integer number (30281007537).

Almost surely, 2^121124030142 is an apocalyptic number.

121124030142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121124030142 is a wasteful number, since it uses less digits than its factorization.

121124030142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20187338362.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 121124030142 its reverse (241030421121), we get a palindrome (362154451263).

The spelling of 121124030142 in words is "one hundred twenty-one billion, one hundred twenty-four million, thirty thousand, one hundred forty-two".