1051139 has 2 divisors, whose sum is σ = 1051140. Its totient is φ = 1051138.

The previous prime is 1051081. The next prime is 1051147. The reversal of 1051139 is 9311501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1051139 - 2¹² = 1047043 is a prime.

It is a super-2 number, since 2×1051139² = 2209786394642, which contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1051139.

It is not a weakly prime, because it can be changed into another prime (1051639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525569 + 525570.

It is an arithmetic number, because the mean of its divisors is an integer number (525570).

2^1051139 is an apocalyptic number.

1051139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1051139 is an equidigital number, since it uses as much as digits as its factorization.

1051139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 135, while the sum is 20.

The square root of 1051139 is about 1025.2507010483. The cubic root of 1051139 is about 101.6763740022.

The spelling of 1051139 in words is "one million, fifty-one thousand, one hundred thirty-nine".