1148919 has 8 divisors (see below), whose sum is σ = 1598592. Its totient is φ = 732600.

The previous prime is 1148879. The next prime is 1148921. The reversal of 1148919 is 9198411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1148919 - 2⁸ = 1148663 is a prime.

It is a super-2 number, since 2×1148919² = 2640029737122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1148919.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1148989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8257 + ... + 8394.

It is an arithmetic number, because the mean of its divisors is an integer number (199824).

2^1148919 is an apocalyptic number.

1148919 is a deficient number, since it is larger than the sum of its proper divisors (449673).

1148919 is a wasteful number, since it uses less digits than its factorization.

1148919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16677.

The product of its digits is 2592, while the sum is 33.

The square root of 1148919 is about 1071.8763921274. The cubic root of 1148919 is about 104.7361174198.

Adding to 1148919 its product of digits (2592), we get a palindrome (1151511).

The spelling of 1148919 in words is "one million, one hundred forty-eight thousand, nine hundred nineteen".