1429281 has 24 divisors (see below), whose sum is σ = 2412800. Its totient is φ = 814968.

The previous prime is 1429279. The next prime is 1429283. The reversal of 1429281 is 1829241.

It is an interprime number because it is at equal distance from previous prime (1429279) and next prime (1429283).

It is not a de Polignac number, because 1429281 - 2¹ = 1429279 is a prime.

It is a super-2 number, since 2×1429281² = 4085688353922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1429283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2856 + ... + 3318.

2^1429281 is an apocalyptic number.

It is an amenable number.

1429281 is a deficient number, since it is larger than the sum of its proper divisors (983519).

1429281 is an equidigital number, since it uses as much as digits as its factorization.

1429281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490 (or 473 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 1429281 is about 1195.5254075092. The cubic root of 1429281 is about 112.6434318686.

The spelling of 1429281 in words is "one million, four hundred twenty-nine thousand, two hundred eighty-one".