8048720121 has 16 divisors (see below), whose sum is σ = 11663171520. Its totient is φ = 4907615040.

The previous prime is 8048720111. The next prime is 8048720137. The reversal of 8048720121 is 1210278408.

It is a happy number.

It is not a de Polignac number, because 8048720121 - 2¹⁹ = 8048195833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8048720101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 942435 + ... + 950936.

It is an arithmetic number, because the mean of its divisors is an integer number (728948220).

Almost surely, 2^8048720121 is an apocalyptic number.

It is an amenable number.

8048720121 is a deficient number, since it is larger than the sum of its proper divisors (3614451399).

8048720121 is a wasteful number, since it uses less digits than its factorization.

8048720121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1893496.

The product of its (nonzero) digits is 7168, while the sum is 33.

The square root of 8048720121 is about 89714.6594542943. The cubic root of 8048720121 is about 2004.0517960146.

Adding to 8048720121 its reverse (1210278408), we get a palindrome (9258998529).

The spelling of 8048720121 in words is "eight billion, forty-eight million, seven hundred twenty thousand, one hundred twenty-one".