1154456 has 8 divisors (see below), whose sum is σ = 2164620. Its totient is φ = 577224.

The previous prime is 1154449. The next prime is 1154467. The reversal of 1154456 is 6544511.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72146 + ... + 72161.

2^1154456 is an apocalyptic number.

It is an amenable number.

1154456 is a deficient number, since it is larger than the sum of its proper divisors (1010164).

1154456 is a wasteful number, since it uses less digits than its factorization.

1154456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144313 (or 144309 counting only the distinct ones).

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

The square root of 1154456 is about 1074.4561414967. The cubic root of 1154456 is about 104.9040998906.

Adding to 1154456 its reverse (6544511), we get a palindrome (7698967).

The spelling of 1154456 in words is "one million, one hundred fifty-four thousand, four hundred fifty-six".