1431429 has 8 divisors (see below), whose sum is σ = 1928640. Its totient is φ = 944256.

The previous prime is 1431421. The next prime is 1431439. The reversal of 1431429 is 9241341.

1431429 = T₁₂₁ + T₁₂₂ + ... + T₂₁₇.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1431429 - 2³ = 1431421 is a prime.

It is an Ulam number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1431399 and 1431408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1431421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2169 + ... + 2750.

It is an arithmetic number, because the mean of its divisors is an integer number (241080).

2^1431429 is an apocalyptic number.

It is an amenable number.

1431429 is a deficient number, since it is larger than the sum of its proper divisors (497211).

1431429 is an equidigital number, since it uses as much as digits as its factorization.

1431429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5019.

The product of its digits is 864, while the sum is 24.

The square root of 1431429 is about 1196.4234200316. The cubic root of 1431429 is about 112.6998324840.

The spelling of 1431429 in words is "one million, four hundred thirty-one thousand, four hundred twenty-nine".