48121139 has 8 divisors (see below), whose sum is σ = 52589568. Its totient is φ = 43668360.

The previous prime is 48121109. The next prime is 48121181. The reversal of 48121139 is 93112184.

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 48121139 - 2¹⁶ = 48055603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48121109) 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, 3074 + ... + 10280.

It is an arithmetic number, because the mean of its divisors is an integer number (6573696).

Almost surely, 2^48121139 is an apocalyptic number.

48121139 is a deficient number, since it is larger than the sum of its proper divisors (4468429).

48121139 is a wasteful number, since it uses less digits than its factorization.

48121139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7825.

The product of its digits is 1728, while the sum is 29.

The square root of 48121139 is about 6936.9401756106. The cubic root of 48121139 is about 363.7295897508.

The spelling of 48121139 in words is "forty-eight million, one hundred twenty-one thousand, one hundred thirty-nine".