1072212985 has 8 divisors (see below), whose sum is σ = 1291302216. Its totient is φ = 854672640.

The previous prime is 1072212983. The next prime is 1072212989. The reversal of 1072212985 is 5892122701.

It can be written as a sum of positive squares in 4 ways, for example, as 28858384 + 1043354601 = 5372^2 + 32301^2 .

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

It is not a de Polignac number, because 1072212985 - 2¹ = 1072212983 is a prime.

It is a super-2 number, since 2×1072212985² = 2299281370405220450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1072212983) 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, 385696 + ... + 388465.

It is an arithmetic number, because the mean of its divisors is an integer number (161412777).

Almost surely, 2^1072212985 is an apocalyptic number.

It is an amenable number.

1072212985 is a deficient number, since it is larger than the sum of its proper divisors (219089231).

1072212985 is an equidigital number, since it uses as much as digits as its factorization.

1072212985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774443.

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 1072212985 is about 32744.6634583408. The cubic root of 1072212985 is about 1023.5137643232.

The spelling of 1072212985 in words is "one billion, seventy-two million, two hundred twelve thousand, nine hundred eighty-five".