1156454 has 16 divisors (see below), whose sum is σ = 1967280. Its totient is φ = 505440.

The previous prime is 1156453. The next prime is 1156457. The reversal of 1156454 is 4546511.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1156451) 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, 677 + ... + 1664.

It is an arithmetic number, because the mean of its divisors is an integer number (122955).

2^1156454 is an apocalyptic number.

1156454 is a deficient number, since it is larger than the sum of its proper divisors (810826).

1156454 is a wasteful number, since it uses less digits than its factorization.

1156454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2375.

The product of its digits is 2400, while the sum is 26.

The square root of 1156454 is about 1075.3855122699. The cubic root of 1156454 is about 104.9645836715.

It can be divided in two parts, 11 and 56454, that added together give a palindrome (56465).

The spelling of 1156454 in words is "one million, one hundred fifty-six thousand, four hundred fifty-four".