1149598 has 4 divisors (see below), whose sum is σ = 1724400. Its totient is φ = 574798.

The previous prime is 1149593. The next prime is 1149601. The reversal of 1149598 is 8959411.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1149593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 287398 + ... + 287401.

It is an arithmetic number, because the mean of its divisors is an integer number (431100).

2^1149598 is an apocalyptic number.

1149598 is a deficient number, since it is larger than the sum of its proper divisors (574802).

1149598 is an equidigital number, since it uses as much as digits as its factorization.

1149598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574801.

The product of its digits is 12960, while the sum is 37.

The square root of 1149598 is about 1072.1930796270. The cubic root of 1149598 is about 104.7567460335.

The spelling of 1149598 in words is "one million, one hundred forty-nine thousand, five hundred ninety-eight".