1330429 has 4 divisors (see below), whose sum is σ = 1358784. Its totient is φ = 1302076.

The previous prime is 1330423. The next prime is 1330453. The reversal of 1330429 is 9240331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9240331 = 2281 ⋅4051.

It is a cyclic number.

It is not a de Polignac number, because 1330429 - 2⁵ = 1330397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330423) 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, 14107 + ... + 14200.

It is an arithmetic number, because the mean of its divisors is an integer number (339696).

2^1330429 is an apocalyptic number.

It is an amenable number.

1330429 is a deficient number, since it is larger than the sum of its proper divisors (28355).

1330429 is an equidigital number, since it uses as much as digits as its factorization.

1330429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28354.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 1330429 is about 1153.4422395595. The cubic root of 1330429 is about 109.9842677225.

It can be divided in two parts, 133042 and 9, that multiplied together give a triangular number (1197378 = T₁₅₄₇).

The spelling of 1330429 in words is "one million, three hundred thirty thousand, four hundred twenty-nine".