1429420 has 12 divisors (see below), whose sum is σ = 3001824. Its totient is φ = 571760.

The previous prime is 1429409. The next prime is 1429423. The reversal of 1429420 is 249241.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1429391 and 1429400.

It is not an unprimeable number, because it can be changed into a prime (1429423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35716 + ... + 35755.

It is an arithmetic number, because the mean of its divisors is an integer number (250152).

2^1429420 is an apocalyptic number.

1429420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1429420 is an abundant number, since it is smaller than the sum of its proper divisors (1572404).

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

1429420 is a wasteful number, since it uses less digits than its factorization.

1429420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71480 (or 71478 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1429420 is about 1195.5835395321. The cubic root of 1429420 is about 112.6470833385.

It can be divided in two parts, 1429 and 420, that added together give a square (1849 = 43²).

The spelling of 1429420 in words is "one million, four hundred twenty-nine thousand, four hundred twenty".