1051140269 has 2 divisors, whose sum is σ = 1051140270. Its totient is φ = 1051140268.

The previous prime is 1051140241. The next prime is 1051140323. The reversal of 1051140269 is 9620411501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 838855369 + 212284900 = 28963^2 + 14570^2 .

It is a cyclic number.

It is not a de Polignac number, because 1051140269 - 2¹² = 1051136173 is a prime.

It is a super-2 number, since 2×1051140269² = 2209791730226784722, 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 (1051140239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525570134 + 525570135.

It is an arithmetic number, because the mean of its divisors is an integer number (525570135).

Almost surely, 2^1051140269 is an apocalyptic number.

It is an amenable number.

1051140269 is a deficient number, since it is larger than the sum of its proper divisors (1).

1051140269 is an equidigital number, since it uses as much as digits as its factorization.

1051140269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 1051140269 is about 32421.2934504470. The cubic root of 1051140269 is about 1016.7641491883.

The spelling of 1051140269 in words is "one billion, fifty-one million, one hundred forty thousand, two hundred sixty-nine".