121441040 has 40 divisors (see below), whose sum is σ = 322687680. Its totient is φ = 41636736.

The previous prime is 121441003. The next prime is 121441069. The reversal of 121441040 is 40144121.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107870 + ... + 108989.

It is an arithmetic number, because the mean of its divisors is an integer number (8067192).

Almost surely, 2^121441040 is an apocalyptic number.

121441040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121441040 is an abundant number, since it is smaller than the sum of its proper divisors (201246640).

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

121441040 is a wasteful number, since it uses less digits than its factorization.

121441040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216879 (or 216873 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 121441040 is about 11020.0290380743. The cubic root of 121441040 is about 495.2089584741.

Adding to 121441040 its reverse (40144121), we get a palindrome (161585161).

The spelling of 121441040 in words is "one hundred twenty-one million, four hundred forty-one thousand, forty".