1429229287 has 8 divisors (see below), whose sum is σ = 1520986896. Its totient is φ = 1338325632.

The previous prime is 1429229273. The next prime is 1429229299. The reversal of 1429229287 is 7829229241.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1429229287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1429229387) 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, 210033 + ... + 216730.

It is an arithmetic number, because the mean of its divisors is an integer number (190123362).

Almost surely, 2^1429229287 is an apocalyptic number.

1429229287 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1429229287 is a deficient number, since it is larger than the sum of its proper divisors (91757609).

1429229287 is a wasteful number, since it uses less digits than its factorization.

1429229287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426977.

The product of its digits is 290304, while the sum is 46.

The square root of 1429229287 is about 37805.1489482584. The cubic root of 1429229287 is about 1126.4207333009.

Subtracting from 1429229287 its sum of digits (46), we obtain a palindrome (1429229241).

The spelling of 1429229287 in words is "one billion, four hundred twenty-nine million, two hundred twenty-nine thousand, two hundred eighty-seven".