1149633 has 28 divisors (see below), whose sum is σ = 1836240. Its totient is φ = 717336.

The previous prime is 1149619. The next prime is 1149637. The reversal of 1149633 is 3369411.

It is not a de Polignac number, because 1149633 - 2⁵ = 1149601 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

1149633 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1149597 and 1149606.

It is not an unprimeable number, because it can be changed into a prime (1149637) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 13810 + ... + 13892.

It is an arithmetic number, because the mean of its divisors is an integer number (65580).

2^1149633 is an apocalyptic number.

It is an amenable number.

1149633 is a deficient number, since it is larger than the sum of its proper divisors (686607).

1149633 is an frugal number, since it uses more digits than its factorization.

1149633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120 (or 105 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

The square root of 1149633 is about 1072.2094011899. The cubic root of 1149633 is about 104.7578091440.

The spelling of 1149633 in words is "one million, one hundred forty-nine thousand, six hundred thirty-three".