1201151013 has 4 divisors (see below), whose sum is σ = 1601534688. Its totient is φ = 800767340.

The previous prime is 1201150999. The next prime is 1201151023. The reversal of 1201151013 is 3101511021.

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 1201151013 - 2⁵ = 1201150981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1201150983 and 1201151001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201151023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200191833 + ... + 200191838.

It is an arithmetic number, because the mean of its divisors is an integer number (400383672).

Almost surely, 2^1201151013 is an apocalyptic number.

It is an amenable number.

1201151013 is a deficient number, since it is larger than the sum of its proper divisors (400383675).

1201151013 is an equidigital number, since it uses as much as digits as its factorization.

1201151013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400383674.

The product of its (nonzero) digits is 30, while the sum is 15.

The square root of 1201151013 is about 34657.6256111119. The cubic root of 1201151013 is about 1062.9982200072.

Adding to 1201151013 its reverse (3101511021), we get a palindrome (4302662034).

The spelling of 1201151013 in words is "one billion, two hundred one million, one hundred fifty-one thousand, thirteen".