1025424 has 30 divisors (see below), whose sum is σ = 2870166. Its totient is φ = 341760.

The previous prime is 1025419. The next prime is 1025443. The reversal of 1025424 is 4245201.

1025424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 589824 + 435600 = 768^2 + 660^2 .

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 = 1025397 and 1025406.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3417 + ... + 3704.

2^1025424 is an apocalyptic number.

It is an amenable number.

1025424 is an abundant number, since it is smaller than the sum of its proper divisors (1844742).

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

1025424 is a wasteful number, since it uses less digits than its factorization.

1025424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7135 (or 7126 counting only the distinct ones).

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

The square root of 1025424 is about 1012.6322135899. The cubic root of 1025424 is about 100.8403844229.

The spelling of 1025424 in words is "one million, twenty-five thousand, four hundred twenty-four".