1050172889 has 8 divisors (see below), whose sum is σ = 1069274568. Its totient is φ = 1031132160.

The previous prime is 1050172873. The next prime is 1050172901. The reversal of 1050172889 is 9882710501.

It can be written as a sum of positive squares in 4 ways, for example, as 23931664 + 1026241225 = 4892^2 + 32035^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1050172889 - 2⁴ = 1050172873 is a prime.

It is a super-2 number, since 2×1050172889² = 2205726193581212642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1050172829) 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, 20279 + ... + 50115.

It is an arithmetic number, because the mean of its divisors is an integer number (133659321).

Almost surely, 2^1050172889 is an apocalyptic number.

It is an amenable number.

1050172889 is a deficient number, since it is larger than the sum of its proper divisors (19101679).

1050172889 is an equidigital number, since it uses as much as digits as its factorization.

1050172889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30475.

The product of its (nonzero) digits is 40320, while the sum is 41.

The square root of 1050172889 is about 32406.3711174207. The cubic root of 1050172889 is about 1016.4521390707.

The spelling of 1050172889 in words is "one billion, fifty million, one hundred seventy-two thousand, eight hundred eighty-nine".