1241402102 has 4 divisors (see below), whose sum is σ = 1862103156. Its totient is φ = 620701050.

The previous prime is 1241402087. The next prime is 1241402137. The reversal of 1241402102 is 2012041421.

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

It is a congruent number.

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, 310350524 + ... + 310350527.

It is an arithmetic number, because the mean of its divisors is an integer number (465525789).

Almost surely, 2^1241402102 is an apocalyptic number.

1241402102 is a deficient number, since it is larger than the sum of its proper divisors (620701054).

1241402102 is an equidigital number, since it uses as much as digits as its factorization.

1241402102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620701053.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1241402102 is about 35233.5366093158. The cubic root of 1241402102 is about 1074.7418459252.

Adding to 1241402102 its reverse (2012041421), we get a palindrome (3253443523).

The spelling of 1241402102 in words is "one billion, two hundred forty-one million, four hundred two thousand, one hundred two".