1202153213 has 4 divisors (see below), whose sum is σ = 1254420768. Its totient is φ = 1149885660.

The previous prime is 1202153203. The next prime is 1202153231. The reversal of 1202153213 is 3123512021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1202153213 - 2⁸ = 1202152957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202153203) 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, 26133743 + ... + 26133788.

It is an arithmetic number, because the mean of its divisors is an integer number (313605192).

Almost surely, 2^1202153213 is an apocalyptic number.

It is an amenable number.

1202153213 is a deficient number, since it is larger than the sum of its proper divisors (52267555).

1202153213 is an equidigital number, since it uses as much as digits as its factorization.

1202153213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52267554.

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

The square root of 1202153213 is about 34672.0811749165. The cubic root of 1202153213 is about 1063.2937811393.

Adding to 1202153213 its reverse (3123512021), we get a palindrome (4325665234).

The spelling of 1202153213 in words is "one billion, two hundred two million, one hundred fifty-three thousand, two hundred thirteen".