1149879 has 8 divisors (see below), whose sum is σ = 1586160. Its totient is φ = 740096.

The previous prime is 1149859. The next prime is 1149881. The reversal of 1149879 is 9789411.

It is a happy number.

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 1149879 - 2¹⁵ = 1117111 is a prime.

1149879 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1149859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6522 + ... + 6695.

It is an arithmetic number, because the mean of its divisors is an integer number (198270).

2^1149879 is an apocalyptic number.

1149879 is a deficient number, since it is larger than the sum of its proper divisors (436281).

1149879 is a wasteful number, since it uses less digits than its factorization.

1149879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13249.

The product of its digits is 18144, while the sum is 39.

The square root of 1149879 is about 1072.3241114514. The cubic root of 1149879 is about 104.7652806829.

The spelling of 1149879 in words is "one million, one hundred forty-nine thousand, eight hundred seventy-nine".