1025418 has 32 divisors (see below), whose sum is σ = 2188800. Its totient is φ = 319680.

The previous prime is 1025417. The next prime is 1025419. The reversal of 1025418 is 8145201.

It is an interprime number because it is at equal distance from previous prime (1025417) and next prime (1025419).

It is a junction number, because it is equal to n+sod(n) for n = 1025394 and 1025403.

It is not an unprimeable number, because it can be changed into a prime (1025413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6808 + ... + 6956.

It is an arithmetic number, because the mean of its divisors is an integer number (68400).

2^1025418 is an apocalyptic number.

1025418 is an abundant number, since it is smaller than the sum of its proper divisors (1163382).

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

1025418 is a wasteful number, since it uses less digits than its factorization.

1025418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222.

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

The square root of 1025418 is about 1012.6292510095. The cubic root of 1025418 is about 100.8401877422.

The spelling of 1025418 in words is "one million, twenty-five thousand, four hundred eighteen".