1202242201 has 4 divisors (see below), whose sum is σ = 1202353252. Its totient is φ = 1202131152.

The previous prime is 1202242199. The next prime is 1202242231. The reversal of 1202242201 is 1022422021.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 189475225 + 1012766976 = 13765^2 + 31824^2 .

It is a cyclic number.

It is not a de Polignac number, because 1202242201 - 2¹ = 1202242199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1202242231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37290 + ... + 61603.

It is an arithmetic number, because the mean of its divisors is an integer number (300588313).

Almost surely, 2^1202242201 is an apocalyptic number.

It is an amenable number.

1202242201 is a deficient number, since it is larger than the sum of its proper divisors (111051).

1202242201 is an equidigital number, since it uses as much as digits as its factorization.

1202242201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111050.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1202242201 is about 34673.3644315056. The cubic root of 1202242201 is about 1063.3200168557.

Adding to 1202242201 its reverse (1022422021), we get a palindrome (2224664222).

It can be divided in two parts, 1 and 202242201, that added together give a palindrome (202242202).

The spelling of 1202242201 in words is "one billion, two hundred two million, two hundred forty-two thousand, two hundred one".