1542602 has 4 divisors (see below), whose sum is σ = 2313906. Its totient is φ = 771300.

The previous prime is 1542599. The next prime is 1542661. The reversal of 1542602 is 2062451.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2062451 = 29 ⋅71119.

It can be written as a sum of positive squares in only one way, i.e., 1413721 + 128881 = 1189^2 + 359^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 385649 + ... + 385652.

2^1542602 is an apocalyptic number.

1542602 is a deficient number, since it is larger than the sum of its proper divisors (771304).

1542602 is an equidigital number, since it uses as much as digits as its factorization.

1542602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771303.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1542602 is about 1242.0152978124. The cubic root of 1542602 is about 115.5450371891.

The spelling of 1542602 in words is "one million, five hundred forty-two thousand, six hundred two".