1205670272 has 32 divisors (see below), whose sum is σ = 2460515400. Its totient is φ = 588129280.

The previous prime is 1205670269. The next prime is 1205670287. The reversal of 1205670272 is 2720765021.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 109622 + ... + 120117.

Almost surely, 2^1205670272 is an apocalyptic number.

It is an amenable number.

1205670272 is an abundant number, since it is smaller than the sum of its proper divisors (1254845128).

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

1205670272 is an equidigital number, since it uses as much as digits as its factorization.

1205670272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229794 (or 229782 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 1205670272 is about 34722.7630236996. The cubic root of 1205670272 is about 1064.3297073074.

It can be divided in two parts, 12056 and 70272, that added together give a palindrome (82328).

The spelling of 1205670272 in words is "one billion, two hundred five million, six hundred seventy thousand, two hundred seventy-two".