1051011439 has 2 divisors, whose sum is σ = 1051011440. Its totient is φ = 1051011438.

The previous prime is 1051011421. The next prime is 1051011551. The reversal of 1051011439 is 9341101501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1051011439 - 2⁵ = 1051011407 is a prime.

It is a super-2 number, since 2×1051011439² = 2209250089817701442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1051011139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525505719 + 525505720.

It is an arithmetic number, because the mean of its divisors is an integer number (525505720).

Almost surely, 2^1051011439 is an apocalyptic number.

1051011439 is a deficient number, since it is larger than the sum of its proper divisors (1).

1051011439 is an equidigital number, since it uses as much as digits as its factorization.

1051011439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 25.

The square root of 1051011439 is about 32419.3065780254. The cubic root of 1051011439 is about 1016.7226085614.

The spelling of 1051011439 in words is "one billion, fifty-one million, eleven thousand, four hundred thirty-nine".