1072272 has 40 divisors (see below), whose sum is σ = 2812320. Its totient is φ = 352000.

The previous prime is 1072231. The next prime is 1072301. The reversal of 1072272 is 2722701.

It is a super-2 number, since 2×1072272² = 2299534483968, which contains 22 as substring.

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 in 7 ways as a sum of consecutive naturals, for example, 4147 + ... + 4397.

It is an arithmetic number, because the mean of its divisors is an integer number (70308).

2^1072272 is an apocalyptic number.

1072272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1072272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1406160).

1072272 is an abundant number, since it is smaller than the sum of its proper divisors (1740048).

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

1072272 is a wasteful number, since it uses less digits than its factorization.

1072272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351 (or 345 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 21.

The square root of 1072272 is about 1035.5056735721. The cubic root of 1072272 is about 102.3532542171.

Adding to 1072272 its reverse (2722701), we get a palindrome (3794973).

The spelling of 1072272 in words is "one million, seventy-two thousand, two hundred seventy-two".