1201312241 has 8 divisors (see below), whose sum is σ = 1253984064. Its totient is φ = 1148677200.

The previous prime is 1201312213. The next prime is 1201312243. The reversal of 1201312241 is 1422131021.

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 1201312241 - 2¹⁰ = 1201311217 is a prime.

It is a super-2 number, since 2×1201312241² = 2886302200752884162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201312243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73466 + ... + 88316.

It is an arithmetic number, because the mean of its divisors is an integer number (156748008).

Almost surely, 2^1201312241 is an apocalyptic number.

It is an amenable number.

1201312241 is a deficient number, since it is larger than the sum of its proper divisors (52671823).

1201312241 is a wasteful number, since it uses less digits than its factorization.

1201312241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18391.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1201312241 is about 34659.9515435322. The cubic root of 1201312241 is about 1063.0457792254.

Adding to 1201312241 its reverse (1422131021), we get a palindrome (2623443262).

The spelling of 1201312241 in words is "one billion, two hundred one million, three hundred twelve thousand, two hundred forty-one".