1201332513 has 16 divisors (see below), whose sum is σ = 1727208000. Its totient is φ = 740229120.

The previous prime is 1201332469. The next prime is 1201332521. The reversal of 1201332513 is 3152331021.

It is not a de Polignac number, because 1201332513 - 2⁶ = 1201332449 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1201332513.

It is not an unprimeable number, because it can be changed into a prime (1201332533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 254688 + ... + 259361.

It is an arithmetic number, because the mean of its divisors is an integer number (107950500).

Almost surely, 2^1201332513 is an apocalyptic number.

It is an amenable number.

1201332513 is a deficient number, since it is larger than the sum of its proper divisors (525875487).

1201332513 is a wasteful number, since it uses less digits than its factorization.

1201332513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514112.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 1201332513 is about 34660.2439835613. The cubic root of 1201332513 is about 1063.0517587818.

Adding to 1201332513 its reverse (3152331021), we get a palindrome (4353663534).

The spelling of 1201332513 in words is "one billion, two hundred one million, three hundred thirty-two thousand, five hundred thirteen".