1202153243 has 2 divisors, whose sum is σ = 1202153244. Its totient is φ = 1202153242.

The previous prime is 1202153231. The next prime is 1202153257. The reversal of 1202153243 is 3423512021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1202153243 - 2⁶ = 1202153179 is a prime.

It is not a weakly prime, because it can be changed into another prime (1202153203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601076621 + 601076622.

It is an arithmetic number, because the mean of its divisors is an integer number (601076622).

Almost surely, 2^1202153243 is an apocalyptic number.

1202153243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202153243 is an equidigital number, since it uses as much as digits as its factorization.

1202153243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1202153243 is about 34672.0816075412. The cubic root of 1202153243 is about 1063.2937899842.

Adding to 1202153243 its reverse (3423512021), we get a palindrome (4625665264).

The spelling of 1202153243 in words is "one billion, two hundred two million, one hundred fifty-three thousand, two hundred forty-three".