1202140265 has 4 divisors (see below), whose sum is σ = 1442568324. Its totient is φ = 961712208.

The previous prime is 1202140243. The next prime is 1202140271. The reversal of 1202140265 is 5620412021.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 417916249 + 784224016 = 20443^2 + 28004^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1202140265 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 1202140265.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120214022 + ... + 120214031.

It is an arithmetic number, because the mean of its divisors is an integer number (360642081).

Almost surely, 2^1202140265 is an apocalyptic number.

It is an amenable number.

1202140265 is a deficient number, since it is larger than the sum of its proper divisors (240428059).

1202140265 is an equidigital number, since it uses as much as digits as its factorization.

1202140265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240428058.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1202140265 is about 34671.8944535772. The cubic root of 1202140265 is about 1063.2899636621.

Adding to 1202140265 its reverse (5620412021), we get a palindrome (6822552286).

The spelling of 1202140265 in words is "one billion, two hundred two million, one hundred forty thousand, two hundred sixty-five".