1329045 has 16 divisors (see below), whose sum is σ = 2140992. Its totient is φ = 704000.

The previous prime is 1329011. The next prime is 1329061. The reversal of 1329045 is 5409231.

It is not a de Polignac number, because 1329045 - 2⁶ = 1328981 is a prime.

It is a super-2 number, since 2×1329045² = 3532721224050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3589 + ... + 3941.

It is an arithmetic number, because the mean of its divisors is an integer number (133812).

2^1329045 is an apocalyptic number.

1329045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1329045 is a deficient number, since it is larger than the sum of its proper divisors (811947).

1329045 is a wasteful number, since it uses less digits than its factorization.

1329045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 1329045 is about 1152.8421401042. The cubic root of 1329045 is about 109.9461168605.

The spelling of 1329045 in words is "one million, three hundred twenty-nine thousand, forty-five".