1026442631 has 2 divisors, whose sum is σ = 1026442632. Its totient is φ = 1026442630.

The previous prime is 1026442601. The next prime is 1026442633. The reversal of 1026442631 is 1362446201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1026442631 - 2¹⁸ = 1026180487 is a prime.

It is a super-2 number, since 2×1026442631² = 2107168949468404322, which contains 22 as substring.

Together with 1026442633, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1026442594 and 1026442603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1026442633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 513221315 + 513221316.

It is an arithmetic number, because the mean of its divisors is an integer number (513221316).

Almost surely, 2^1026442631 is an apocalyptic number.

1026442631 is a deficient number, since it is larger than the sum of its proper divisors (1).

1026442631 is an equidigital number, since it uses as much as digits as its factorization.

1026442631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 1026442631 is about 32038.1433762945. The cubic root of 1026442631 is about 1008.7376415903.

Adding to 1026442631 its reverse (1362446201), we get a palindrome (2388888832).

The spelling of 1026442631 in words is "one billion, twenty-six million, four hundred forty-two thousand, six hundred thirty-one".