38175121 has 2 divisors, whose sum is σ = 38175122. Its totient is φ = 38175120.

The previous prime is 38175113. The next prime is 38175127. The reversal of 38175121 is 12157183.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24403600 + 13771521 = 4940^2 + 3711^2 .

It is a cyclic number.

It is not a de Polignac number, because 38175121 - 2³ = 38175113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38175121.

It is not a weakly prime, because it can be changed into another prime (38175127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19087560 + 19087561.

It is an arithmetic number, because the mean of its divisors is an integer number (19087561).

Almost surely, 2^38175121 is an apocalyptic number.

It is an amenable number.

38175121 is a deficient number, since it is larger than the sum of its proper divisors (1).

38175121 is an equidigital number, since it uses as much as digits as its factorization.

38175121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1680, while the sum is 28.

The square root of 38175121 is about 6178.6018644998. The cubic root of 38175121 is about 336.7131989185.

The spelling of 38175121 in words is "thirty-eight million, one hundred seventy-five thousand, one hundred twenty-one".