121441727 has 8 divisors (see below), whose sum is σ = 140275152. Its totient is φ = 103907200.

The previous prime is 121441687. The next prime is 121441739. The reversal of 121441727 is 727144121.

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

It is a cyclic number.

It is not a de Polignac number, because 121441727 - 2⁸ = 121441471 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121441727.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121441757) 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, 324524 + ... + 324897.

It is an arithmetic number, because the mean of its divisors is an integer number (17534394).

Almost surely, 2^121441727 is an apocalyptic number.

121441727 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

121441727 is a deficient number, since it is larger than the sum of its proper divisors (18833425).

121441727 is a wasteful number, since it uses less digits than its factorization.

121441727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649449.

The product of its digits is 3136, while the sum is 29.

The square root of 121441727 is about 11020.0602085470. The cubic root of 121441727 is about 495.2098922823.

Adding to 121441727 its reverse (727144121), we get a palindrome (848585848).

The spelling of 121441727 in words is "one hundred twenty-one million, four hundred forty-one thousand, seven hundred twenty-seven".