1201304851 has 4 divisors (see below), whose sum is σ = 1201534704. Its totient is φ = 1201075000.

The previous prime is 1201304833. The next prime is 1201304869. The reversal of 1201304851 is 1584031021.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1201304833) and next prime (1201304869).

It is a cyclic number.

It is not a de Polignac number, because 1201304851 - 2²⁷ = 1067087123 is a prime.

It is a super-2 number, since 2×1201304851² = 2886266690072264402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201304801) 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, 106900 + ... + 117601.

It is an arithmetic number, because the mean of its divisors is an integer number (300383676).

Almost surely, 2^1201304851 is an apocalyptic number.

1201304851 is a deficient number, since it is larger than the sum of its proper divisors (229853).

1201304851 is an equidigital number, since it uses as much as digits as its factorization.

1201304851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229852.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 1201304851 is about 34659.8449361794. The cubic root of 1201304851 is about 1063.0435994079.

Adding to 1201304851 its reverse (1584031021), we get a palindrome (2785335872).

The spelling of 1201304851 in words is "one billion, two hundred one million, three hundred four thousand, eight hundred fifty-one".