1420004 has 12 divisors (see below), whose sum is σ = 2502528. Its totient is φ = 705000.

The previous prime is 1419973. The next prime is 1420009. The reversal of 1420004 is 4000241.

It is a super-2 number, since 2×1420004² = 4032822720032, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1420009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 572 + ... + 1779.

It is an arithmetic number, because the mean of its divisors is an integer number (208544).

2^1420004 is an apocalyptic number.

It is an amenable number.

1420004 is a deficient number, since it is larger than the sum of its proper divisors (1082524).

1420004 is a wasteful number, since it uses less digits than its factorization.

1420004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2506 (or 2504 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 1420004 is about 1191.6392071428. The cubic root of 1420004 is about 112.3991920004.

Adding to 1420004 its reverse (4000241), we get a palindrome (5420245).

The spelling of 1420004 in words is "one million, four hundred twenty thousand, four".