1205272 has 8 divisors (see below), whose sum is σ = 2259900. Its totient is φ = 602632.

The previous prime is 1205257. The next prime is 1205287. The reversal of 1205272 is 2725021.

It is an interprime number because it is at equal distance from previous prime (1205257) and next prime (1205287).

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75322 + ... + 75337.

2^1205272 is an apocalyptic number.

It is an amenable number.

1205272 is a deficient number, since it is larger than the sum of its proper divisors (1054628).

1205272 is a wasteful number, since it uses less digits than its factorization.

1205272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150665 (or 150661 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 1205272 is about 1097.8488056194. The cubic root of 1205272 is about 106.4212500192.

The spelling of 1205272 in words is "one million, two hundred five thousand, two hundred seventy-two".