1149331 has 4 divisors (see below), whose sum is σ = 1180432. Its totient is φ = 1118232.

The previous prime is 1149307. The next prime is 1149341. The reversal of 1149331 is 1339411.

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

It is a cyclic number.

It is not a de Polignac number, because 1149331 - 2¹³ = 1141139 is a prime.

It is a super-2 number, since 2×1149331² = 2641923495122, which contains 22 as substring.

It is a Duffinian number.

1149331 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1149341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15495 + ... + 15568.

It is an arithmetic number, because the mean of its divisors is an integer number (295108).

2^1149331 is an apocalyptic number.

1149331 is a deficient number, since it is larger than the sum of its proper divisors (31101).

1149331 is an equidigital number, since it uses as much as digits as its factorization.

1149331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31100.

The product of its digits is 324, while the sum is 22.

The square root of 1149331 is about 1072.0685612404. The cubic root of 1149331 is about 104.7486353094.

The spelling of 1149331 in words is "one million, one hundred forty-nine thousand, three hundred thirty-one".