1061371885 has 8 divisors (see below), whose sum is σ = 1455595776. Its totient is φ = 727797840.

The previous prime is 1061371867. The next prime is 1061371889. The reversal of 1061371885 is 5881731601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1061371885 - 2⁹ = 1061371373 is a prime.

It is a super-2 number, since 2×1061371885² = 2253020556536906450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1061371889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15162421 + ... + 15162490.

It is an arithmetic number, because the mean of its divisors is an integer number (181949472).

Almost surely, 2^1061371885 is an apocalyptic number.

It is an amenable number.

1061371885 is a deficient number, since it is larger than the sum of its proper divisors (394223891).

1061371885 is an equidigital number, since it uses as much as digits as its factorization.

1061371885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30324923.

The product of its (nonzero) digits is 40320, while the sum is 40.

The square root of 1061371885 is about 32578.7029361207. The cubic root of 1061371885 is about 1020.0525043459.

The spelling of 1061371885 in words is "one billion, sixty-one million, three hundred seventy-one thousand, eight hundred eighty-five".