1017172146 has 16 divisors (see below), whose sum is σ = 2044887264. Its totient is φ = 337300224.

The previous prime is 1017172141. The next prime is 1017172147. The reversal of 1017172146 is 6412717101.

It is not an unprimeable number, because it can be changed into a prime (1017172141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 438036 + ... + 440351.

It is an arithmetic number, because the mean of its divisors is an integer number (127805454).

Almost surely, 2^1017172146 is an apocalyptic number.

1017172146 is an abundant number, since it is smaller than the sum of its proper divisors (1027715118).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1017172146 is a wasteful number, since it uses less digits than its factorization.

1017172146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878585.

The product of its (nonzero) digits is 2352, while the sum is 30.

The square root of 1017172146 is about 31893.1363462423. The cubic root of 1017172146 is about 1005.6915929778.

Adding to 1017172146 its reverse (6412717101), we get a palindrome (7429889247).

The spelling of 1017172146 in words is "one billion, seventeen million, one hundred seventy-two thousand, one hundred forty-six".