1012725 has 36 divisors (see below), whose sum is σ = 2076256. Its totient is φ = 462240.

The previous prime is 1012721. The next prime is 1012733. The reversal of 1012725 is 5272101.

It is not a de Polignac number, because 1012725 - 2² = 1012721 is a prime.

It is a super-2 number, since 2×1012725² = 2051223851250, which contains 22 as substring.

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

1012725 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1012698 and 1012707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012721) 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, 1254 + ... + 1896.

2^1012725 is an apocalyptic number.

1012725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1012725 is an abundant number, since it is smaller than the sum of its proper divisors (1063531).

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

1012725 is a wasteful number, since it uses less digits than its factorization.

1012725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666 (or 658 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 1012725 is about 1006.3423870632. The cubic root of 1012725 is about 100.4223801053.

Adding to 1012725 its reverse (5272101), we get a palindrome (6284826).

The spelling of 1012725 in words is "one million, twelve thousand, seven hundred twenty-five".