1429389120 has 112 divisors (see below), whose sum is σ = 4694895360. Its totient is φ = 368019456.

The previous prime is 1429389079. The next prime is 1429389127. The reversal of 1429389120 is 219839241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1429389127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2169 + ... + 53511.

Almost surely, 2^1429389120 is an apocalyptic number.

1429389120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1429389120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2347447680).

1429389120 is an abundant number, since it is smaller than the sum of its proper divisors (3265506240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1429389120 is a wasteful number, since it uses less digits than its factorization.

1429389120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51392 (or 51382 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 1429389120 is about 37807.2627943362. The cubic root of 1429389120 is about 1126.4627215472.

The spelling of 1429389120 in words is "one billion, four hundred twenty-nine million, three hundred eighty-nine thousand, one hundred twenty".