7744141121 has 16 divisors (see below), whose sum is σ = 8489370240. Its totient is φ = 7031512320.

The previous prime is 7744141109. The next prime is 7744141133. The reversal of 7744141121 is 1211414477.

It is an interprime number because it is at equal distance from previous prime (7744141109) and next prime (7744141133).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7744141121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7744141621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 668186 + ... + 679676.

It is an arithmetic number, because the mean of its divisors is an integer number (530585640).

Almost surely, 2^7744141121 is an apocalyptic number.

It is an amenable number.

7744141121 is a deficient number, since it is larger than the sum of its proper divisors (745229119).

7744141121 is a wasteful number, since it uses less digits than its factorization.

7744141121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12904.

The product of its digits is 6272, while the sum is 32.

The square root of 7744141121 is about 88000.8018202107. The cubic root of 7744141121 is about 1978.4469950778.

Adding to 7744141121 its reverse (1211414477), we get a palindrome (8955555598).

The spelling of 7744141121 in words is "seven billion, seven hundred forty-four million, one hundred forty-one thousand, one hundred twenty-one".