1202202001 has 16 divisors (see below), whose sum is σ = 1614146688. Its totient is φ = 864720000.

The previous prime is 1202201999. The next prime is 1202202007. The reversal of 1202202001 is 1002022021.

It is a cyclic number.

It is not a de Polignac number, because 1202202001 - 2¹ = 1202201999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1202202007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 599500 + ... + 601501.

It is an arithmetic number, because the mean of its divisors is an integer number (100884168).

Almost surely, 2^1202202001 is an apocalyptic number.

1202202001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1202202001 is a deficient number, since it is larger than the sum of its proper divisors (411944687).

1202202001 is a wasteful number, since it uses less digits than its factorization.

1202202001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1201032.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 1202202001 is about 34672.7847309673. The cubic root of 1202202001 is about 1063.3081651281.

Adding to 1202202001 its reverse (1002022021), we get a palindrome (2204224022).

It can be divided in two parts, 120220 and 2001, that added together give a palindrome (122221).

The spelling of 1202202001 in words is "one billion, two hundred two million, two hundred two thousand, one".