1149755 has 8 divisors (see below), whose sum is σ = 1387152. Its totient is φ = 914848.

The previous prime is 1149749. The next prime is 1149769. The reversal of 1149755 is 5579411.

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 1149755 - 2¹⁰ = 1148731 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 629 + ... + 1641.

It is an arithmetic number, because the mean of its divisors is an integer number (173394).

2^1149755 is an apocalyptic number.

1149755 is a deficient number, since it is larger than the sum of its proper divisors (237397).

1149755 is a wasteful number, since it uses less digits than its factorization.

1149755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245.

The product of its digits is 6300, while the sum is 32.

The square root of 1149755 is about 1072.2662915526. The cubic root of 1149755 is about 104.7615146745.

The spelling of 1149755 in words is "one million, one hundred forty-nine thousand, seven hundred fifty-five".