1201552301 has 4 divisors (see below), whose sum is σ = 1203635292. Its totient is φ = 1199469312.

The previous prime is 1201552277. The next prime is 1201552307. The reversal of 1201552301 is 1032551021.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 869365225 + 332187076 = 29485^2 + 18226^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201552301 - 2¹⁰ = 1201551277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201552307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1040630 + ... + 1041783.

It is an arithmetic number, because the mean of its divisors is an integer number (300908823).

Almost surely, 2^1201552301 is an apocalyptic number.

It is an amenable number.

1201552301 is a deficient number, since it is larger than the sum of its proper divisors (2082991).

1201552301 is an equidigital number, since it uses as much as digits as its factorization.

1201552301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2082990.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 1201552301 is about 34663.4144452043. The cubic root of 1201552301 is about 1063.1165845121.

The spelling of 1201552301 in words is "one billion, two hundred one million, five hundred fifty-two thousand, three hundred one".