1071429 has 8 divisors (see below), whose sum is σ = 1503840. Its totient is φ = 676656.

The previous prime is 1071419. The next prime is 1071439. The reversal of 1071429 is 9241701.

It is an interprime number because it is at equal distance from previous prime (1071419) and next prime (1071439).

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

It is not a de Polignac number, because 1071429 - 2²⁰ = 22853 is a prime.

It is a super-2 number, since 2×1071429² = 2295920204082, which contains 22 as substring.

1071429 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1071399 and 1071408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1071419) 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, 9342 + ... + 9455.

It is an arithmetic number, because the mean of its divisors is an integer number (187980).

2^1071429 is an apocalyptic number.

1071429 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1071429 is a deficient number, since it is larger than the sum of its proper divisors (432411).

1071429 is a wasteful number, since it uses less digits than its factorization.

1071429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18819.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 1071429 is about 1035.0985460332. The cubic root of 1071429 is about 102.3264244529.

The spelling of 1071429 in words is "one million, seventy-one thousand, four hundred twenty-nine".