38017121 has 2 divisors, whose sum is σ = 38017122. Its totient is φ = 38017120.

The previous prime is 38017099. The next prime is 38017141. The reversal of 38017121 is 12171083.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24364096 + 13653025 = 4936^2 + 3695^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38017121 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (38017141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19008560 + 19008561.

It is an arithmetic number, because the mean of its divisors is an integer number (19008561).

Almost surely, 2^38017121 is an apocalyptic number.

It is an amenable number.

38017121 is a deficient number, since it is larger than the sum of its proper divisors (1).

38017121 is an equidigital number, since it uses as much as digits as its factorization.

38017121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 38017121 is about 6165.8025430596. The cubic root of 38017121 is about 336.2480246610.

The spelling of 38017121 in words is "thirty-eight million, seventeen thousand, one hundred twenty-one".