7524799121 has 24 divisors (see below), whose sum is σ = 9240840000. Its totient is φ = 6092591904.

The previous prime is 7524799109. The next prime is 7524799127. The reversal of 7524799121 is 1219974257.

7524799121 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7524799121 - 2⁶ = 7524799057 is a prime.

It is a super-2 number, since 2×7524799121² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7524799127) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 313340 + ... + 336498.

It is an arithmetic number, because the mean of its divisors is an integer number (385035000).

Almost surely, 2^7524799121 is an apocalyptic number.

It is an amenable number.

7524799121 is a deficient number, since it is larger than the sum of its proper divisors (1716040879).

7524799121 is a wasteful number, since it uses less digits than its factorization.

7524799121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23541 (or 23534 counting only the distinct ones).

The product of its digits is 317520, while the sum is 47.

The square root of 7524799121 is about 86745.6000094529. The cubic root of 7524799121 is about 1959.5888976224.

The spelling of 7524799121 in words is "seven billion, five hundred twenty-four million, seven hundred ninety-nine thousand, one hundred twenty-one".