1202142241 has 4 divisors (see below), whose sum is σ = 1202837652. Its totient is φ = 1201446832.

The previous prime is 1202142223. The next prime is 1202142317. The reversal of 1202142241 is 1422412021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 184851216 + 1017291025 = 13596^2 + 31895^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1202142241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1202142841) 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, 345106 + ... + 348571.

It is an arithmetic number, because the mean of its divisors is an integer number (300709413).

Almost surely, 2^1202142241 is an apocalyptic number.

It is an amenable number.

1202142241 is a deficient number, since it is larger than the sum of its proper divisors (695411).

1202142241 is an equidigital number, since it uses as much as digits as its factorization.

1202142241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695410.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1202142241 is about 34671.9229492683. The cubic root of 1202142241 is about 1063.2905462508.

Adding to 1202142241 its reverse (1422412021), we get a palindrome (2624554262).

The spelling of 1202142241 in words is "one billion, two hundred two million, one hundred forty-two thousand, two hundred forty-one".