39121070 has 32 divisors (see below), whose sum is σ = 73495296. Its totient is φ = 14976000.

The previous prime is 39121051. The next prime is 39121129. The reversal of 39121070 is 7012193.

39121070 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 29420 + ... + 30720.

It is an arithmetic number, because the mean of its divisors is an integer number (2296728).

Almost surely, 2^39121070 is an apocalyptic number.

39121070 is a deficient number, since it is larger than the sum of its proper divisors (34374226).

39121070 is a wasteful number, since it uses less digits than its factorization.

39121070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1436.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 39121070 is about 6254.6838449277. The cubic root of 39121070 is about 339.4716997239.

The spelling of 39121070 in words is "thirty-nine million, one hundred twenty-one thousand, seventy".