1202153231 has 2 divisors, whose sum is σ = 1202153232. Its totient is φ = 1202153230.

The previous prime is 1202153203. The next prime is 1202153243. The reversal of 1202153231 is 1323512021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1202153231 - 2²⁶ = 1135044367 is a prime.

It is a super-2 number, since 2×1202153231² = 2890344781607478722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1202153201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601076615 + 601076616.

It is an arithmetic number, because the mean of its divisors is an integer number (601076616).

Almost surely, 2^1202153231 is an apocalyptic number.

1202153231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202153231 is an equidigital number, since it uses as much as digits as its factorization.

1202153231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1202153231 is about 34672.0814344914. The cubic root of 1202153231 is about 1063.2937864462.

Adding to 1202153231 its reverse (1323512021), we get a palindrome (2525665252).

The spelling of 1202153231 in words is "one billion, two hundred two million, one hundred fifty-three thousand, two hundred thirty-one".