1150282181 has 2 divisors, whose sum is σ = 1150282182. Its totient is φ = 1150282180.

The previous prime is 1150282171. The next prime is 1150282229. The reversal of 1150282181 is 1812820511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 958459681 + 191822500 = 30959^2 + 13850^2 .

It is a cyclic number.

It is not a de Polignac number, because 1150282181 - 2²⁶ = 1083173317 is a prime.

It is a super-2 number, since 2×1150282181² = 2646298191852233522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1150282151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575141090 + 575141091.

It is an arithmetic number, because the mean of its divisors is an integer number (575141091).

Almost surely, 2^1150282181 is an apocalyptic number.

It is an amenable number.

1150282181 is a deficient number, since it is larger than the sum of its proper divisors (1).

1150282181 is an equidigital number, since it uses as much as digits as its factorization.

1150282181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1280, while the sum is 29.

The square root of 1150282181 is about 33915.8101922982. The cubic root of 1150282181 is about 1047.7752383625.

The spelling of 1150282181 in words is "one billion, one hundred fifty million, two hundred eighty-two thousand, one hundred eighty-one".