1542242 has 16 divisors (see below), whose sum is σ = 2600640. Its totient is φ = 680592.

The previous prime is 1542239. The next prime is 1542251. The reversal of 1542242 is 2422451.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 692 + ... + 1887.

It is an arithmetic number, because the mean of its divisors is an integer number (162540).

2^1542242 is an apocalyptic number.

1542242 is a deficient number, since it is larger than the sum of its proper divisors (1058398).

1542242 is a wasteful number, since it uses less digits than its factorization.

1542242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2617.

The product of its digits is 640, while the sum is 20.

The square root of 1542242 is about 1241.8703636048. The cubic root of 1542242 is about 115.5360481672.

Adding to 1542242 its reverse (2422451), we get a palindrome (3964693).

The spelling of 1542242 in words is "one million, five hundred forty-two thousand, two hundred forty-two".