1144407 has 8 divisors (see below), whose sum is σ = 1664640. Its totient is φ = 693560.

The previous prime is 1144399. The next prime is 1144417. The reversal of 1144407 is 7044411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1144407 - 2³ = 1144399 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17307 + ... + 17372.

It is an arithmetic number, because the mean of its divisors is an integer number (208080).

2^1144407 is an apocalyptic number.

1144407 is a deficient number, since it is larger than the sum of its proper divisors (520233).

1144407 is a wasteful number, since it uses less digits than its factorization.

1144407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34693.

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 1144407 is about 1069.7696013628. The cubic root of 1144407 is about 104.5988320425.

Adding to 1144407 its reverse (7044411), we get a palindrome (8188818).

It can be divided in two parts, 1144 and 407, that added together give a palindrome (1551).

The spelling of 1144407 in words is "one million, one hundred forty-four thousand, four hundred seven".