1202102105 has 8 divisors (see below), whose sum is σ = 1446158472. Its totient is φ = 959257728.

The previous prime is 1202102087. The next prime is 1202102119. The reversal of 1202102105 is 5012012021.

It can be written as a sum of positive squares in 4 ways, for example, as 159845449 + 1042256656 = 12643^2 + 32284^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1202102105 - 2¹⁴ = 1202085721 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1202102105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300812 + ... + 304781.

It is an arithmetic number, because the mean of its divisors is an integer number (180769809).

Almost surely, 2^1202102105 is an apocalyptic number.

It is an amenable number.

1202102105 is a deficient number, since it is larger than the sum of its proper divisors (244056367).

1202102105 is an equidigital number, since it uses as much as digits as its factorization.

1202102105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605995.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 1202102105 is about 34671.3441475810. The cubic root of 1202102105 is about 1063.2787127359.

Adding to 1202102105 its reverse (5012012021), we get a palindrome (6214114126).

The spelling of 1202102105 in words is "one billion, two hundred two million, one hundred two thousand, one hundred five".