1121000141 has 2 divisors, whose sum is σ = 1121000142. Its totient is φ = 1121000140.

The previous prime is 1121000131. The next prime is 1121000161. The reversal of 1121000141 is 1410001211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1104565225 + 16434916 = 33235^2 + 4054^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121000141 - 2²⁶ = 1053891277 is a prime.

It is a super-2 number, since 2×1121000141² = 2513282632244039762, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121000131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560500070 + 560500071.

It is an arithmetic number, because the mean of its divisors is an integer number (560500071).

Almost surely, 2^1121000141 is an apocalyptic number.

It is an amenable number.

1121000141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121000141 is an equidigital number, since it uses as much as digits as its factorization.

1121000141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 1121000141 is about 33481.3401912170. The cubic root of 1121000141 is about 1038.8078490124.

Adding to 1121000141 its reverse (1410001211), we get a palindrome (2531001352).

The spelling of 1121000141 in words is "one billion, one hundred twenty-one million, one hundred forty-one", and thus it is an aban number.