1420524 has 48 divisors (see below), whose sum is σ = 4211200. Its totient is φ = 405648.

The previous prime is 1420519. The next prime is 1420561. The reversal of 1420524 is 4250241.

1420524 is a `hidden beast` number, since 142 + 0 + 524 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1420497 and 1420506.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184 + ... + 1695.

2^1420524 is an apocalyptic number.

1420524 is a gapful number since it is divisible by the number (14) 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 1420524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2105600).

1420524 is an abundant number, since it is smaller than the sum of its proper divisors (2790676).

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

1420524 is a wasteful number, since it uses less digits than its factorization.

1420524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1899 (or 1891 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 1420524 is about 1191.8573740175. The cubic root of 1420524 is about 112.4129103765.

Adding to 1420524 its reverse (4250241), we get a palindrome (5670765).

The spelling of 1420524 in words is "one million, four hundred twenty thousand, five hundred twenty-four".