48117121 has 4 divisors (see below), whose sum is σ = 51818452. Its totient is φ = 44415792.

The previous prime is 48117109. The next prime is 48117133. The reversal of 48117121 is 12171184.

48117121 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.

It is an interprime number because it is at equal distance from previous prime (48117109) and next prime (48117133).

It can be written as a sum of positive squares in 2 ways, for example, as 6656400 + 41460721 = 2580^2 + 6439^2 .

It is a cyclic number.

It is not a de Polignac number, because 48117121 - 2⁷ = 48116993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48117521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1850646 + ... + 1850671.

It is an arithmetic number, because the mean of its divisors is an integer number (12954613).

Almost surely, 2^48117121 is an apocalyptic number.

It is an amenable number.

48117121 is a deficient number, since it is larger than the sum of its proper divisors (3701331).

48117121 is a wasteful number, since it uses less digits than its factorization.

48117121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3701330.

The product of its digits is 448, while the sum is 25.

The square root of 48117121 is about 6936.6505606092. The cubic root of 48117121 is about 363.7194659521.

The spelling of 48117121 in words is "forty-eight million, one hundred seventeen thousand, one hundred twenty-one".