1542303122 has 4 divisors (see below), whose sum is σ = 2313454686. Its totient is φ = 771151560.

The previous prime is 1542303107. The next prime is 1542303137. The reversal of 1542303122 is 2213032451.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1542303107) and next prime (1542303137).

It can be written as a sum of positive squares in only one way, i.e., 1394947801 + 147355321 = 37349^2 + 12139^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 385575779 + ... + 385575782.

Almost surely, 2^1542303122 is an apocalyptic number.

1542303122 is a deficient number, since it is larger than the sum of its proper divisors (771151564).

1542303122 is an equidigital number, since it uses as much as digits as its factorization.

1542303122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771151563.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1542303122 is about 39272.1672689451. The cubic root of 1542303122 is about 1155.3757445187.

Adding to 1542303122 its reverse (2213032451), we get a palindrome (3755335573).

The spelling of 1542303122 in words is "one billion, five hundred forty-two million, three hundred three thousand, one hundred twenty-two".