1154939 has 4 divisors (see below), whose sum is σ = 1166256. Its totient is φ = 1143624.

The previous prime is 1154927. The next prime is 1154947. The reversal of 1154939 is 9394511.

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 1154939 - 2²⁰ = 106363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1154969) 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, 5504 + ... + 5709.

It is an arithmetic number, because the mean of its divisors is an integer number (291564).

2^1154939 is an apocalyptic number.

1154939 is a deficient number, since it is larger than the sum of its proper divisors (11317).

1154939 is a wasteful number, since it uses less digits than its factorization.

1154939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11316.

The product of its digits is 4860, while the sum is 32.

The square root of 1154939 is about 1074.6808828671. The cubic root of 1154939 is about 104.9187277371.

The spelling of 1154939 in words is "one million, one hundred fifty-four thousand, nine hundred thirty-nine".