1165420202 has 16 divisors (see below), whose sum is σ = 1762746720. Its totient is φ = 577847952.

The previous prime is 1165420093. The next prime is 1165420241. The reversal of 1165420202 is 2020245611.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 310328 + ... + 314060.

It is an arithmetic number, because the mean of its divisors is an integer number (110171670).

Almost surely, 2^1165420202 is an apocalyptic number.

1165420202 is a deficient number, since it is larger than the sum of its proper divisors (597326518).

1165420202 is a wasteful number, since it uses less digits than its factorization.

1165420202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4997.

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

The square root of 1165420202 is about 34138.2513026078. The cubic root of 1165420202 is about 1052.3515555808.

Adding to 1165420202 its reverse (2020245611), we get a palindrome (3185665813).

The spelling of 1165420202 in words is "one billion, one hundred sixty-five million, four hundred twenty thousand, two hundred two".