1329057 has 6 divisors (see below), whose sum is σ = 1919762. Its totient is φ = 886032.

The previous prime is 1329011. The next prime is 1329061. The reversal of 1329057 is 7509231.

It can be written as a sum of positive squares in only one way, i.e., 1089936 + 239121 = 1044^2 + 489^2 .

It is not a de Polignac number, because 1329057 - 2¹¹ = 1327009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1329057.

It is not an unprimeable number, because it can be changed into a prime (1329067) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 73828 + ... + 73845.

2^1329057 is an apocalyptic number.

It is an amenable number.

1329057 is a deficient number, since it is larger than the sum of its proper divisors (590705).

1329057 is a wasteful number, since it uses less digits than its factorization.

1329057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147679 (or 147676 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 1329057 is about 1152.8473446211. The cubic root of 1329057 is about 109.9464477621.

The spelling of 1329057 in words is "one million, three hundred twenty-nine thousand, fifty-seven".