1031422139 has 4 divisors (see below), whose sum is σ = 1125187800. Its totient is φ = 937656480.

The previous prime is 1031422103. The next prime is 1031422141. The reversal of 1031422139 is 9312241301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1031422139 - 2⁸ = 1031421883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1031422169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46882814 + ... + 46882835.

It is an arithmetic number, because the mean of its divisors is an integer number (281296950).

Almost surely, 2^1031422139 is an apocalyptic number.

1031422139 is a deficient number, since it is larger than the sum of its proper divisors (93765661).

1031422139 is an equidigital number, since it uses as much as digits as its factorization.

1031422139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93765660.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 1031422139 is about 32115.7615354206. The cubic root of 1031422139 is about 1010.3662165748.

The spelling of 1031422139 in words is "one billion, thirty-one million, four hundred twenty-two thousand, one hundred thirty-nine".