48121969 has 9 divisors (see below), whose sum is σ = 56035161. Its totient is φ = 41205780.

The previous prime is 48121967. The next prime is 48121973. The reversal of 48121969 is 96912184.

The square root of 48121969 is 6937.

It is a perfect power (a square), and thus also a powerful number.

48121969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 48121969 - 2¹ = 48121967 is a prime.

It is a super-2 number, since 2×48121969² = 4631447800873922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (48121961) 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 8 ways as a sum of consecutive naturals, for example, 48064 + ... + 49054.

It is an arithmetic number, because the mean of its divisors is an integer number (6226129).

Almost surely, 2^48121969 is an apocalyptic number.

48121969 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

48121969 is the 6937-th square number.

48121969 is the 3469-th centered octagonal number.

It is an amenable number.

48121969 is a deficient number, since it is larger than the sum of its proper divisors (7913192).

48121969 is an frugal number, since it uses more digits than its factorization.

48121969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1996 (or 998 counting only the distinct ones).

The product of its digits is 31104, while the sum is 40.

The cubic root of 48121969 is about 363.7316809581.

The spelling of 48121969 in words is "forty-eight million, one hundred twenty-one thousand, nine hundred sixty-nine".