1002111139 has 2 divisors, whose sum is σ = 1002111140. Its totient is φ = 1002111138.

The previous prime is 1002111109. The next prime is 1002111151. The reversal of 1002111139 is 9311112001.

1002111139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1002111139 - 2⁵ = 1002111107 is a prime.

It is a super-4 number, since 4×1002111139⁴ (a number of 37 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (1002111109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501055569 + 501055570.

It is an arithmetic number, because the mean of its divisors is an integer number (501055570).

Almost surely, 2^1002111139 is an apocalyptic number.

1002111139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002111139 is an equidigital number, since it uses as much as digits as its factorization.

1002111139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 19.

The square root of 1002111139 is about 31656.1390412665. The cubic root of 1002111139 is about 1000.7032183680.

The spelling of 1002111139 in words is "one billion, two million, one hundred eleven thousand, one hundred thirty-nine".