1026243634 has 32 divisors (see below), whose sum is σ = 1680315840. Its totient is φ = 467251392.

The previous prime is 1026243629. The next prime is 1026243649. The reversal of 1026243634 is 4363426201.

It is a junction number, because it is equal to n+sod(n) for n = 1026243596 and 1026243605.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 814497 + ... + 815755.

It is an arithmetic number, because the mean of its divisors is an integer number (52509870).

Almost surely, 2^1026243634 is an apocalyptic number.

1026243634 is a deficient number, since it is larger than the sum of its proper divisors (654072206).

1026243634 is a wasteful number, since it uses less digits than its factorization.

1026243634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1674.

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 1026243634 is about 32035.0375994785. The cubic root of 1026243634 is about 1008.6724492026.

Adding to 1026243634 its reverse (4363426201), we get a palindrome (5389669835).

The spelling of 1026243634 in words is "one billion, twenty-six million, two hundred forty-three thousand, six hundred thirty-four".