1072169845 has 8 divisors (see below), whose sum is σ = 1305807264. Its totient is φ = 844933584.

The previous prime is 1072169801. The next prime is 1072169873. The reversal of 1072169845 is 5489612701.

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 1072169845 - 2²³ = 1063781237 is a prime.

It is a super-2 number, since 2×1072169845² = 2299096353054648050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1599919 + ... + 1600588.

It is an arithmetic number, because the mean of its divisors is an integer number (163225908).

Almost surely, 2^1072169845 is an apocalyptic number.

It is an amenable number.

1072169845 is a deficient number, since it is larger than the sum of its proper divisors (233637419).

1072169845 is an equidigital number, since it uses as much as digits as its factorization.

1072169845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3200579.

The product of its (nonzero) digits is 120960, while the sum is 43.

The square root of 1072169845 is about 32744.0047184214. The cubic root of 1072169845 is about 1023.5000372694.

The spelling of 1072169845 in words is "one billion, seventy-two million, one hundred sixty-nine thousand, eight hundred forty-five".