1202345513 has 4 divisors (see below), whose sum is σ = 1202632080. Its totient is φ = 1202058948.

The previous prime is 1202345437. The next prime is 1202345591. The reversal of 1202345513 is 3155432021.

It is a happy number.

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 1202345513 - 2¹⁴ = 1202329129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1202344513) 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, 136895 + ... + 145412.

It is an arithmetic number, because the mean of its divisors is an integer number (300658020).

Almost surely, 2^1202345513 is an apocalyptic number.

It is an amenable number.

1202345513 is a deficient number, since it is larger than the sum of its proper divisors (286567).

1202345513 is an equidigital number, since it uses as much as digits as its factorization.

1202345513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286566.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 1202345513 is about 34674.8541885903. The cubic root of 1202345513 is about 1063.3504739940.

Adding to 1202345513 its reverse (3155432021), we get a palindrome (4357777534).

The spelling of 1202345513 in words is "one billion, two hundred two million, three hundred forty-five thousand, five hundred thirteen".