1542122 has 8 divisors (see below), whose sum is σ = 2327076. Its totient is φ = 766432.

The previous prime is 1542119. The next prime is 1542131. The reversal of 1542122 is 2212451.

It can be written as a sum of positive squares in 2 ways, for example, as 1366561 + 175561 = 1169^2 + 419^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1542122.

It is an unprimeable number.

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, 1883 + ... + 2574.

2^1542122 is an apocalyptic number.

1542122 is a deficient number, since it is larger than the sum of its proper divisors (784954).

1542122 is a wasteful number, since it uses less digits than its factorization.

1542122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4632.

The product of its digits is 160, while the sum is 17.

The square root of 1542122 is about 1241.8220484433. The cubic root of 1542122 is about 115.5330515157.

Adding to 1542122 its reverse (2212451), we get a palindrome (3754573).

The spelling of 1542122 in words is "one million, five hundred forty-two thousand, one hundred twenty-two".