1149705 has 24 divisors (see below), whose sum is σ = 2063880. Its totient is φ = 591360.

The previous prime is 1149689. The next prime is 1149737. The reversal of 1149705 is 5079411.

It can be written as a sum of positive squares in 4 ways, for example, as 28224 + 1121481 = 168^2 + 1059^2 .

It is not a de Polignac number, because 1149705 - 2⁴ = 1149689 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 865 + ... + 1745.

It is an arithmetic number, because the mean of its divisors is an integer number (85995).

2^1149705 is an apocalyptic number.

1149705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1149705 is a deficient number, since it is larger than the sum of its proper divisors (914175).

1149705 is a wasteful number, since it uses less digits than its factorization.

1149705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921 (or 918 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 1149705 is about 1072.2429761952. The cubic root of 1149705 is about 104.7599960462.

The spelling of 1149705 in words is "one million, one hundred forty-nine thousand, seven hundred five".