2100272 has 10 divisors (see below), whose sum is σ = 4069308. Its totient is φ = 1050128.

The previous prime is 2100269. The next prime is 2100277. The reversal of 2100272 is 2720012.

It is a super-2 number, since 2×2100272² = 8822284947968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2100277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65618 + ... + 65649.

2^2100272 is an apocalyptic number.

It is an amenable number.

2100272 is a deficient number, since it is larger than the sum of its proper divisors (1969036).

2100272 is a wasteful number, since it uses less digits than its factorization.

2100272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131275 (or 131269 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 14.

The square root of 2100272 is about 1449.2315204963. The cubic root of 2100272 is about 128.0634451098.

Adding to 2100272 its reverse (2720012), we get a palindrome (4820284).

The spelling of 2100272 in words is "two million, one hundred thousand, two hundred seventy-two".