1061539171 has 48 divisors (see below), whose sum is σ = 1440230400. Its totient is φ = 763519680.

The previous prime is 1061539163. The next prime is 1061539181. The reversal of 1061539171 is 1719351601.

It is not a de Polignac number, because 1061539171 - 2³ = 1061539163 is a prime.

It is a super-2 number, since 2×1061539171² = 2253730823134734482, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1061539121) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 564010 + ... + 565888.

It is an arithmetic number, because the mean of its divisors is an integer number (30004800).

Almost surely, 2^1061539171 is an apocalyptic number.

1061539171 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1061539171 is a deficient number, since it is larger than the sum of its proper divisors (378691229).

1061539171 is a wasteful number, since it uses less digits than its factorization.

1061539171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1960 (or 1949 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 34.

The square root of 1061539171 is about 32581.2702484111. The cubic root of 1061539171 is about 1020.1060927068.

The spelling of 1061539171 in words is "one billion, sixty-one million, five hundred thirty-nine thousand, one hundred seventy-one".