1026723172 has 6 divisors (see below), whose sum is σ = 1796765558. Its totient is φ = 513361584.

The previous prime is 1026723167. The next prime is 1026723179. The reversal of 1026723172 is 2713276201.

1026723172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 788823396 + 237899776 = 28086^2 + 15424^2 .

It is not an unprimeable number, because it can be changed into a prime (1026723179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128340393 + ... + 128340400.

Almost surely, 2^1026723172 is an apocalyptic number.

It is an amenable number.

1026723172 is a deficient number, since it is larger than the sum of its proper divisors (770042386).

1026723172 is a wasteful number, since it uses less digits than its factorization.

1026723172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256680797 (or 256680795 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 1026723172 is about 32042.5213115323. The cubic root of 1026723172 is about 1008.8295338794.

Adding to 1026723172 its reverse (2713276201), we get a palindrome (3739999373).

The spelling of 1026723172 in words is "one billion, twenty-six million, seven hundred twenty-three thousand, one hundred seventy-two".