121441030040 has 64 divisors (see below), whose sum is σ = 313771104000. Its totient is φ = 41836141440.

The previous prime is 121441030027. The next prime is 121441030057. The reversal of 121441030040 is 40030144121.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 121441029994 and 121441030021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7254860 + ... + 7271579.

It is an arithmetic number, because the mean of its divisors is an integer number (4902673500).

Almost surely, 2^121441030040 is an apocalyptic number.

121441030040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121441030040 is an abundant number, since it is smaller than the sum of its proper divisors (192330073960).

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

121441030040 is a wasteful number, since it uses less digits than its factorization.

121441030040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14526480 (or 14526476 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 121441030040 its reverse (40030144121), we get a palindrome (161471174161).

The spelling of 121441030040 in words is "one hundred twenty-one billion, four hundred forty-one million, thirty thousand, forty".