744016121 has 4 divisors (see below), whose sum is σ = 776364672. Its totient is φ = 711667572.

The previous prime is 744016099. The next prime is 744016123. The reversal of 744016121 is 121610447.

744016121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 121610447 = 7 ⋅17372921.

It is a cyclic number.

It is not a de Polignac number, because 744016121 - 2¹⁸ = 743753977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (744016123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16174241 + ... + 16174286.

It is an arithmetic number, because the mean of its divisors is an integer number (194091168).

Almost surely, 2^744016121 is an apocalyptic number.

It is an amenable number.

744016121 is a deficient number, since it is larger than the sum of its proper divisors (32348551).

744016121 is a wasteful number, since it uses less digits than its factorization.

744016121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32348550.

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

The square root of 744016121 is about 27276.6589046386. The cubic root of 744016121 is about 906.1375238547.

Adding to 744016121 its reverse (121610447), we get a palindrome (865626568).

The spelling of 744016121 in words is "seven hundred forty-four million, sixteen thousand, one hundred twenty-one".