1201305215 has 8 divisors (see below), whose sum is σ = 1572617808. Its totient is φ = 873676480.

The previous prime is 1201305197. The next prime is 1201305227. The reversal of 1201305215 is 5125031021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1201305215 - 2²⁸ = 932869759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10920902 + ... + 10921011.

It is an arithmetic number, because the mean of its divisors is an integer number (196577226).

Almost surely, 2^1201305215 is an apocalyptic number.

1201305215 is a deficient number, since it is larger than the sum of its proper divisors (371312593).

1201305215 is a wasteful number, since it uses less digits than its factorization.

1201305215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21841929.

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

The square root of 1201305215 is about 34659.8501872123. The cubic root of 1201305215 is about 1063.0437067766.

Adding to 1201305215 its reverse (5125031021), we get a palindrome (6326336236).

The spelling of 1201305215 in words is "one billion, two hundred one million, three hundred five thousand, two hundred fifteen".