1231201301 has 16 divisors (see below), whose sum is σ = 1395695616. Its totient is φ = 1075950000.

The previous prime is 1231201297. The next prime is 1231201357. The reversal of 1231201301 is 1031021321.

It is a cyclic number.

It is not a de Polignac number, because 1231201301 - 2² = 1231201297 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 (1231200301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39536 + ... + 63446.

It is an arithmetic number, because the mean of its divisors is an integer number (87230976).

Almost surely, 2^1231201301 is an apocalyptic number.

1231201301 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1231201301 is a deficient number, since it is larger than the sum of its proper divisors (164494315).

1231201301 is a wasteful number, since it uses less digits than its factorization.

1231201301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24104.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1231201301 is about 35088.4781801662. The cubic root of 1231201301 is about 1071.7899701421.

Adding to 1231201301 its reverse (1031021321), we get a palindrome (2262222622).

It can be divided in two parts, 123120 and 1301, that added together give a palindrome (124421).

The spelling of 1231201301 in words is "one billion, two hundred thirty-one million, two hundred one thousand, three hundred one".