1201540202 has 16 divisors (see below), whose sum is σ = 1900087200. Its totient is φ = 568275120.

The previous prime is 1201540189. The next prime is 1201540211. The reversal of 1201540202 is 2020451021.

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, 1052 + ... + 49032.

It is an arithmetic number, because the mean of its divisors is an integer number (118755450).

Almost surely, 2^1201540202 is an apocalyptic number.

1201540202 is a deficient number, since it is larger than the sum of its proper divisors (698546998).

1201540202 is a wasteful number, since it uses less digits than its factorization.

1201540202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48661.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 1201540202 is about 34663.2399235848. The cubic root of 1201540202 is about 1063.1130161584.

Adding to 1201540202 its reverse (2020451021), we get a palindrome (3221991223).

The spelling of 1201540202 in words is "one billion, two hundred one million, five hundred forty thousand, two hundred two".