1018725 has 36 divisors (see below), whose sum is σ = 1827264. Its totient is φ = 500480.

The previous prime is 1018711. The next prime is 1018729. The reversal of 1018725 is 5278101.

It is not a de Polignac number, because 1018725 - 2⁴ = 1018709 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 1018695 and 1018704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1018729) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 21652 + ... + 21698.

2^1018725 is an apocalyptic number.

1018725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1018725 is a deficient number, since it is larger than the sum of its proper divisors (808539).

1018725 is a wasteful number, since it uses less digits than its factorization.

1018725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94 (or 72 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 24.

The square root of 1018725 is about 1009.3190773982. The cubic root of 1018725 is about 100.6203108549.

The spelling of 1018725 in words is "one million, eighteen thousand, seven hundred twenty-five".