39371121 has 12 divisors (see below), whose sum is σ = 57374148. Its totient is φ = 26014464.

The previous prime is 39371119. The next prime is 39371131. The reversal of 39371121 is 12117393.

It can be written as a sum of positive squares in 2 ways, for example, as 13727025 + 25644096 = 3705^2 + 5064^2 .

It is not a de Polignac number, because 39371121 - 2¹ = 39371119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (39371131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18340 + ... + 20373.

It is an arithmetic number, because the mean of its divisors is an integer number (4781179).

Almost surely, 2^39371121 is an apocalyptic number.

It is an amenable number.

39371121 is a deficient number, since it is larger than the sum of its proper divisors (18003027).

39371121 is a wasteful number, since it uses less digits than its factorization.

39371121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38832 (or 38829 counting only the distinct ones).

The product of its digits is 1134, while the sum is 27.

The square root of 39371121 is about 6274.6411052745. The cubic root of 39371121 is about 340.1934337595.

The spelling of 39371121 in words is "thirty-nine million, three hundred seventy-one thousand, one hundred twenty-one".