1420426 has 16 divisors (see below), whose sum is σ = 2471040. Its totient is φ = 599760.

The previous prime is 1420403. The next prime is 1420429. The reversal of 1420426 is 6240241.

It is a super-2 number, since 2×1420426² = 4035220042952, which contains 22 as substring.

1420426 is a modest number, since divided by 426 gives 142 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420429) 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, 280 + ... + 1708.

It is an arithmetic number, because the mean of its divisors is an integer number (154440).

2^1420426 is an apocalyptic number.

1420426 is a deficient number, since it is larger than the sum of its proper divisors (1050614).

1420426 is a wasteful number, since it uses less digits than its factorization.

1420426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1509.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1420426 is about 1191.8162610067. The cubic root of 1420426 is about 112.4103252463.

Adding to 1420426 its reverse (6240241), we get a palindrome (7660667).

The spelling of 1420426 in words is "one million, four hundred twenty thousand, four hundred twenty-six".