1003542 has 16 divisors (see below), whose sum is σ = 2112960. Its totient is φ = 316872.

The previous prime is 1003517. The next prime is 1003543. The reversal of 1003542 is 2453001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4288 + ... + 4515.

It is an arithmetic number, because the mean of its divisors is an integer number (132060).

2^1003542 is an apocalyptic number.

1003542 is an abundant number, since it is smaller than the sum of its proper divisors (1109418).

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

1003542 is a wasteful number, since it uses less digits than its factorization.

1003542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8827.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 1003542 is about 1001.7694345507. The cubic root of 1003542 is about 100.1179275429.

Adding to 1003542 its reverse (2453001), we get a palindrome (3456543).

The spelling of 1003542 in words is "one million, three thousand, five hundred forty-two".