1201220301 has 4 divisors (see below), whose sum is σ = 1601627072. Its totient is φ = 800813532.

The previous prime is 1201220263. The next prime is 1201220303. The reversal of 1201220301 is 1030221021.

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 not a de Polignac number, because 1201220301 - 2¹⁰ = 1201219277 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 (1201220303) 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, 200203381 + ... + 200203386.

It is an arithmetic number, because the mean of its divisors is an integer number (400406768).

Almost surely, 2^1201220301 is an apocalyptic number.

It is an amenable number.

1201220301 is a deficient number, since it is larger than the sum of its proper divisors (400406771).

1201220301 is an equidigital number, since it uses as much as digits as its factorization.

1201220301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400406770.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1201220301 is about 34658.6252035478. The cubic root of 1201220301 is about 1063.0186591814.

Adding to 1201220301 its reverse (1030221021), we get a palindrome (2231441322).

The spelling of 1201220301 in words is "one billion, two hundred one million, two hundred twenty thousand, three hundred one".