121001431024 has 40 divisors (see below), whose sum is σ = 240190006320. Its totient is φ = 59020405248.

The previous prime is 121001431021. The next prime is 121001431027. The reversal of 121001431024 is 420134100121.

It is an interprime number because it is at equal distance from previous prime (121001431021) and next prime (121001431027).

It is a junction number, because it is equal to n+sod(n) for n = 121001430992 and 121001431010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121001431021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 447894 + ... + 665290.

It is an arithmetic number, because the mean of its divisors is an integer number (6004750158).

Almost surely, 2^121001431024 is an apocalyptic number.

It is an amenable number.

121001431024 is a deficient number, since it is larger than the sum of its proper divisors (119188575296).

121001431024 is a wasteful number, since it uses less digits than its factorization.

121001431024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218257 (or 218251 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 121001431024 its reverse (420134100121), we get a palindrome (541135531145).

The spelling of 121001431024 in words is "one hundred twenty-one billion, one million, four hundred thirty-one thousand, twenty-four".