1020634234 has 16 divisors (see below), whose sum is σ = 1582374528. Its totient is φ = 493437952.

The previous prime is 1020634213. The next prime is 1020634247. The reversal of 1020634234 is 4324360201.

It is a super-2 number, since 2×1020634234² = 2083388479225533512, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1020634199 and 1020634208.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 57607 + ... + 73210.

It is an arithmetic number, because the mean of its divisors is an integer number (98898408).

Almost surely, 2^1020634234 is an apocalyptic number.

1020634234 is a deficient number, since it is larger than the sum of its proper divisors (561740294).

1020634234 is a wasteful number, since it uses less digits than its factorization.

1020634234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130949.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 1020634234 is about 31947.3666207404. The cubic root of 1020634234 is about 1006.8313050070.

Adding to 1020634234 its reverse (4324360201), we get a palindrome (5344994435).

The spelling of 1020634234 in words is "one billion, twenty million, six hundred thirty-four thousand, two hundred thirty-four".