1241542102 has 4 divisors (see below), whose sum is σ = 1862313156. Its totient is φ = 620771050.

The previous prime is 1241542073. The next prime is 1241542103. The reversal of 1241542102 is 2012451421.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241542103) by changing a digit.

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 as a sum of consecutive naturals, namely, 310385524 + ... + 310385527.

It is an arithmetic number, because the mean of its divisors is an integer number (465578289).

Almost surely, 2^1241542102 is an apocalyptic number.

1241542102 is a deficient number, since it is larger than the sum of its proper divisors (620771054).

1241542102 is an equidigital number, since it uses as much as digits as its factorization.

1241542102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620771053.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 1241542102 is about 35235.5232968094. The cubic root of 1241542102 is about 1074.7822459971.

Adding to 1241542102 its reverse (2012451421), we get a palindrome (3253993523).

The spelling of 1241542102 in words is "one billion, two hundred forty-one million, five hundred forty-two thousand, one hundred two".