1059172905 has 32 divisors (see below), whose sum is σ = 1941099264. Its totient is φ = 483111936.

The previous prime is 1059172903. The next prime is 1059172927. The reversal of 1059172905 is 5092719501.

1059172905 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1059172905 - 2¹ = 1059172903 is a prime.

It is a super-2 number, since 2×1059172905² = 2243694485372278050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1059172901) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36949 + ... + 59021.

It is an arithmetic number, because the mean of its divisors is an integer number (60659352).

Almost surely, 2^1059172905 is an apocalyptic number.

1059172905 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1059172905 is a deficient number, since it is larger than the sum of its proper divisors (881926359).

1059172905 is a wasteful number, since it uses less digits than its factorization.

1059172905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22545.

The product of its (nonzero) digits is 28350, while the sum is 39.

The square root of 1059172905 is about 32544.9367029650. The cubic root of 1059172905 is about 1019.3475594967.

The spelling of 1059172905 in words is "one billion, fifty-nine million, one hundred seventy-two thousand, nine hundred five".