1201238105 has 8 divisors (see below), whose sum is σ = 1526279112. Its totient is φ = 904461568.

The previous prime is 1201238099. The next prime is 1201238161. The reversal of 1201238105 is 5018321021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 251920384 + 949317721 = 15872^2 + 30811^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1201238105 - 2¹² = 1201234009 is a prime.

It is a Duffinian 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, 7066022 + ... + 7066191.

It is an arithmetic number, because the mean of its divisors is an integer number (190784889).

Almost surely, 2^1201238105 is an apocalyptic number.

It is an amenable number.

1201238105 is a deficient number, since it is larger than the sum of its proper divisors (325041007).

1201238105 is a wasteful number, since it uses less digits than its factorization.

1201238105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14132235.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 1201238105 is about 34658.8820506375. The cubic root of 1201238105 is about 1063.0239110326.

Adding to 1201238105 its reverse (5018321021), we get a palindrome (6219559126).

The spelling of 1201238105 in words is "one billion, two hundred one million, two hundred thirty-eight thousand, one hundred five".