1011412139 has 2 divisors, whose sum is σ = 1011412140. Its totient is φ = 1011412138.

The previous prime is 1011412069. The next prime is 1011412141. The reversal of 1011412139 is 9312141101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1011412139 - 2¹⁶ = 1011346603 is a prime.

Together with 1011412141, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1011411139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505706069 + 505706070.

It is an arithmetic number, because the mean of its divisors is an integer number (505706070).

Almost surely, 2^1011412139 is an apocalyptic number.

1011412139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011412139 is an equidigital number, since it uses as much as digits as its factorization.

1011412139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 23.

The square root of 1011412139 is about 31802.7064728774. The cubic root of 1011412139 is about 1003.7896666184.

The spelling of 1011412139 in words is "one billion, eleven million, four hundred twelve thousand, one hundred thirty-nine".