1202105242 has 8 divisors (see below), whose sum is σ = 1941862356. Its totient is φ = 554817792.

The previous prime is 1202105239. The next prime is 1202105249. The reversal of 1202105242 is 2425012021.

It can be written as a sum of positive squares in 2 ways, for example, as 1105496001 + 96609241 = 33249^2 + 9829^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1202105249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23117383 + ... + 23117434.

Almost surely, 2^1202105242 is an apocalyptic number.

1202105242 is a deficient number, since it is larger than the sum of its proper divisors (739757114).

1202105242 is a wasteful number, since it uses less digits than its factorization.

1202105242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46234832.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 1202105242 is about 34671.3893866398. The cubic root of 1202105242 is about 1063.2796376441.

Adding to 1202105242 its reverse (2425012021), we get a palindrome (3627117263).

The spelling of 1202105242 in words is "one billion, two hundred two million, one hundred five thousand, two hundred forty-two".