1025742 has 8 divisors (see below), whose sum is σ = 2051496. Its totient is φ = 341912.

The previous prime is 1025741. The next prime is 1025747. The reversal of 1025742 is 2475201.

It is a sphenic number, since it is the product of 3 distinct primes.

1025742 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85473 + ... + 85484.

It is an arithmetic number, because the mean of its divisors is an integer number (256437).

2^1025742 is an apocalyptic number.

1025742 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1025742 is a wasteful number, since it uses less digits than its factorization.

1025742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170962.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 1025742 is about 1012.7892179521. The cubic root of 1025742 is about 100.8508074050.

It can be divided in two parts, 10 and 25742, that added together give a palindrome (25752).

The spelling of 1025742 in words is "one million, twenty-five thousand, seven hundred forty-two".