1202121201 has 8 divisors (see below), whose sum is σ = 1640103520. Its totient is φ = 782776512.

The previous prime is 1202121191. The next prime is 1202121257. The reversal of 1202121201 is 1021212021.

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

It is not a de Polignac number, because 1202121201 - 2¹¹ = 1202119153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1202121281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4659256 + ... + 4659513.

It is an arithmetic number, because the mean of its divisors is an integer number (205012940).

Almost surely, 2^1202121201 is an apocalyptic number.

It is an amenable number.

1202121201 is a deficient number, since it is larger than the sum of its proper divisors (437982319).

1202121201 is an equidigital number, since it uses as much as digits as its factorization.

1202121201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9318815.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1202121201 is about 34671.6195324072. The cubic root of 1202121201 is about 1063.2843429461.

Adding to 1202121201 its reverse (1021212021), we get a palindrome (2223333222).

It can be divided in two parts, 1 and 202121201, that added together give a palindrome (202121202).

The spelling of 1202121201 in words is "one billion, two hundred two million, one hundred twenty-one thousand, two hundred one".