1429401 has 4 divisors (see below), whose sum is σ = 1905872. Its totient is φ = 952932.

The previous prime is 1429399. The next prime is 1429403. The reversal of 1429401 is 1049241.

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.

It is an interprime number because it is at equal distance from previous prime (1429399) and next prime (1429403).

It is not a de Polignac number, because 1429401 - 2¹ = 1429399 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1429403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238231 + ... + 238236.

It is an arithmetic number, because the mean of its divisors is an integer number (476468).

2^1429401 is an apocalyptic number.

It is an amenable number.

1429401 is a deficient number, since it is larger than the sum of its proper divisors (476471).

1429401 is an equidigital number, since it uses as much as digits as its factorization.

1429401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476470.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1429401 is about 1195.5755935950. The cubic root of 1429401 is about 112.6465842307.

It can be divided in two parts, 1429 and 401, that added together give a triangular number (1830 = T₆₀).

The spelling of 1429401 in words is "one million, four hundred twenty-nine thousand, four hundred one".