1420048 has 40 divisors (see below), whose sum is σ = 3253760. Its totient is φ = 587520.

The previous prime is 1420039. The next prime is 1420057. The reversal of 1420048 is 8400241.

It is an interprime number because it is at equal distance from previous prime (1420039) and next prime (1420057).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3268 + ... + 3676.

It is an arithmetic number, because the mean of its divisors is an integer number (81344).

2^1420048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1420048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1626880).

1420048 is an abundant number, since it is smaller than the sum of its proper divisors (1833712).

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

1420048 is a wasteful number, since it uses less digits than its factorization.

1420048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455 (or 449 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1420048 is about 1191.6576689637. The cubic root of 1420048 is about 112.4003529157.

Adding to 1420048 its reverse (8400241), we get a palindrome (9820289).

The spelling of 1420048 in words is "one million, four hundred twenty thousand, forty-eight".