1425018 has 48 divisors (see below), whose sum is σ = 3430944. Its totient is φ = 393120.

The previous prime is 1425007. The next prime is 1425029. The reversal of 1425018 is 8105241.

It is an interprime number because it is at equal distance from previous prime (1425007) and next prime (1425029).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a zygodrome in base 5.

It is a junction number, because it is equal to n+sod(n) for n = 1424985 and 1425003.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10813 + ... + 10943.

It is an arithmetic number, because the mean of its divisors is an integer number (71478).

2^1425018 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1425018, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1715472).

1425018 is an abundant number, since it is smaller than the sum of its proper divisors (2005926).

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

1425018 is a wasteful number, since it uses less digits than its factorization.

1425018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 1425018 is about 1193.7411779779. The cubic root of 1425018 is about 112.5313295460.

The spelling of 1425018 in words is "one million, four hundred twenty-five thousand, eighteen".