1429427 has 8 divisors (see below), whose sum is σ = 1570560. Its totient is φ = 1294920.

The previous prime is 1429423. The next prime is 1429451. The reversal of 1429427 is 7249241.

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

It is a cyclic number.

It is not a de Polignac number, because 1429427 - 2² = 1429423 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 1429427.

It is not an unprimeable number, because it can be changed into a prime (1429423) 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, 1199 + ... + 2072.

It is an arithmetic number, because the mean of its divisors is an integer number (196320).

2^1429427 is an apocalyptic number.

1429427 is a deficient number, since it is larger than the sum of its proper divisors (141133).

1429427 is a wasteful number, since it uses less digits than its factorization.

1429427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3313.

The product of its digits is 4032, while the sum is 29.

The square root of 1429427 is about 1195.5864669692. The cubic root of 1429427 is about 112.6472672192.

The spelling of 1429427 in words is "one million, four hundred twenty-nine thousand, four hundred twenty-seven".