1153399 has 12 divisors (see below), whose sum is σ = 1323784. Its totient is φ = 998784.

The previous prime is 1153393. The next prime is 1153421. The reversal of 1153399 is 9933511.

1153399 = 81² + 82² + ... + 158².

It is not a de Polignac number, because 1153399 - 2⁵ = 1153367 is a prime.

It is an Ulam number.

It is a zygodrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 1153399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153393) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3604 + ... + 3910.

2^1153399 is an apocalyptic number.

1153399 is a deficient number, since it is larger than the sum of its proper divisors (170385).

1153399 is a wasteful number, since it uses less digits than its factorization.

1153399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354 (or 337 counting only the distinct ones).

The product of its digits is 3645, while the sum is 31.

The square root of 1153399 is about 1073.9641521019. The cubic root of 1153399 is about 104.8720739863.

The spelling of 1153399 in words is "one million, one hundred fifty-three thousand, three hundred ninety-nine".