1231241001 has 8 divisors (see below), whose sum is σ = 1656716160. Its totient is φ = 813296592.

The previous prime is 1231240993. The next prime is 1231241009. The reversal of 1231241001 is 1001421321.

1231241001 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1231240993) and next prime (1231241009).

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

It is not a de Polignac number, because 1231241001 - 2³ = 1231240993 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1231241009) 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, 1882305 + ... + 1882958.

It is an arithmetic number, because the mean of its divisors is an integer number (207089520).

Almost surely, 2^1231241001 is an apocalyptic number.

It is an amenable number.

1231241001 is a deficient number, since it is larger than the sum of its proper divisors (425475159).

1231241001 is a wasteful number, since it uses less digits than its factorization.

1231241001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3765375.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1231241001 is about 35089.0438883706. The cubic root of 1231241001 is about 1071.8014899492.

Adding to 1231241001 its reverse (1001421321), we get a palindrome (2232662322).

The spelling of 1231241001 in words is "one billion, two hundred thirty-one million, two hundred forty-one thousand, one".