1072251 has 16 divisors (see below), whose sum is σ = 1605120. Its totient is φ = 707400.

The previous prime is 1072231. The next prime is 1072301. The reversal of 1072251 is 1522701.

It is not a de Polignac number, because 1072251 - 2⁵ = 1072219 is a prime.

It is a super-2 number, since 2×1072251² = 2299444414002, which contains 22 as substring.

1072251 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1072231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3946 + ... + 4208.

It is an arithmetic number, because the mean of its divisors is an integer number (100320).

2^1072251 is an apocalyptic number.

1072251 is a deficient number, since it is larger than the sum of its proper divisors (532869).

1072251 is a wasteful number, since it uses less digits than its factorization.

1072251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423 (or 417 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 1072251 is about 1035.4955335490. The cubic root of 1072251 is about 102.3525860308.

Adding to 1072251 its reverse (1522701), we get a palindrome (2594952).

The spelling of 1072251 in words is "one million, seventy-two thousand, two hundred fifty-one".