1025118 has 12 divisors (see below), whose sum is σ = 2221128. Its totient is φ = 341700.

The previous prime is 1025113. The next prime is 1025119. The reversal of 1025118 is 8115201.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 56951 = 1025118 / (1 + 0 + 2 + 5 + 1 + 1 + 8).

It is a self number, because there is not a number n which added to its sum of digits gives 1025118.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28458 + ... + 28493.

It is an arithmetic number, because the mean of its divisors is an integer number (185094).

2^1025118 is an apocalyptic number.

1025118 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1025118 is an abundant number, since it is smaller than the sum of its proper divisors (1196010).

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

1025118 is a wasteful number, since it uses less digits than its factorization.

1025118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56959 (or 56956 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

The square root of 1025118 is about 1012.4811109349. The cubic root of 1025118 is about 100.8303527263.

The spelling of 1025118 in words is "one million, twenty-five thousand, one hundred eighteen".