7266040121 has 8 divisors (see below), whose sum is σ = 7550105088. Its totient is φ = 6985080000.

The previous prime is 7266040109. The next prime is 7266040139. The reversal of 7266040121 is 1210406627.

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 7266040121 - 2¹⁰ = 7266039097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7266040421) 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, 771440 + ... + 780801.

It is an arithmetic number, because the mean of its divisors is an integer number (943763136).

Almost surely, 2^7266040121 is an apocalyptic number.

It is an amenable number.

7266040121 is a deficient number, since it is larger than the sum of its proper divisors (284064967).

7266040121 is a wasteful number, since it uses less digits than its factorization.

7266040121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1552423.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 7266040121 is about 85241.0706232624. The cubic root of 7266040121 is about 1936.8646098874.

Adding to 7266040121 its reverse (1210406627), we get a palindrome (8476446748).

The spelling of 7266040121 in words is "seven billion, two hundred sixty-six million, forty thousand, one hundred twenty-one".