1126451 has 4 divisors (see below), whose sum is σ = 1131600. Its totient is φ = 1121304.

The previous prime is 1126441. The next prime is 1126457. The reversal of 1126451 is 1546211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1126451 - 2⁶ = 1126387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1126457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2231 + ... + 2688.

It is an arithmetic number, because the mean of its divisors is an integer number (282900).

2^1126451 is an apocalyptic number.

1126451 is a deficient number, since it is larger than the sum of its proper divisors (5149).

1126451 is an equidigital number, since it uses as much as digits as its factorization.

1126451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5148.

The product of its digits is 240, while the sum is 20.

The square root of 1126451 is about 1061.3439593270. The cubic root of 1126451 is about 104.0488860408.

Subtracting from 1126451 its product of digits (240), we obtain a palindrome (1126211).

It can be divided in two parts, 11 and 26451, that added together give a palindrome (26462).

The spelling of 1126451 in words is "one million, one hundred twenty-six thousand, four hundred fifty-one".