1150170121 has 2 divisors, whose sum is σ = 1150170122. Its totient is φ = 1150170120.

The previous prime is 1150170083. The next prime is 1150170137. The reversal of 1150170121 is 1210710511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 996286096 + 153884025 = 31564^2 + 12405^2 .

It is a cyclic number.

It is not a de Polignac number, because 1150170121 - 2¹¹ = 1150168073 is a prime.

It is not a weakly prime, because it can be changed into another prime (1150170181) 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 as a sum of consecutive naturals, namely, 575085060 + 575085061.

It is an arithmetic number, because the mean of its divisors is an integer number (575085061).

Almost surely, 2^1150170121 is an apocalyptic number.

It is an amenable number.

1150170121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1150170121 is an equidigital number, since it uses as much as digits as its factorization.

1150170121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70, while the sum is 19.

The square root of 1150170121 is about 33914.1581201716. The cubic root of 1150170121 is about 1047.7412126518.

Adding to 1150170121 its reverse (1210710511), we get a palindrome (2360880632).

The spelling of 1150170121 in words is "one billion, one hundred fifty million, one hundred seventy thousand, one hundred twenty-one".