121440716 has 12 divisors (see below), whose sum is σ = 215693688. Its totient is φ = 59813952.

The previous prime is 121440701. The next prime is 121440721. The reversal of 121440716 is 617044121.

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, 226301 + ... + 226836.

It is an arithmetic number, because the mean of its divisors is an integer number (17974474).

Almost surely, 2^121440716 is an apocalyptic number.

It is an amenable number.

121440716 is a deficient number, since it is larger than the sum of its proper divisors (94252972).

121440716 is a wasteful number, since it uses less digits than its factorization.

121440716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453208 (or 453206 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 121440716 is about 11020.0143375587. The cubic root of 121440716 is about 495.2085180743.

Adding to 121440716 its reverse (617044121), we get a palindrome (738484837).

The spelling of 121440716 in words is "one hundred twenty-one million, four hundred forty thousand, seven hundred sixteen".