1241031399 has 8 divisors (see below), whose sum is σ = 1752044400. Its totient is φ = 778686336.

The previous prime is 1241031377. The next prime is 1241031413. The reversal of 1241031399 is 9931301421.

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 1241031399 - 2⁹ = 1241030887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241031329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12166924 + ... + 12167025.

It is an arithmetic number, because the mean of its divisors is an integer number (219005550).

Almost surely, 2^1241031399 is an apocalyptic number.

1241031399 is a deficient number, since it is larger than the sum of its proper divisors (511013001).

1241031399 is a wasteful number, since it uses less digits than its factorization.

1241031399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24333969.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 1241031399 is about 35228.2755609752. The cubic root of 1241031399 is about 1074.6348567689.

The spelling of 1241031399 in words is "one billion, two hundred forty-one million, thirty-one thousand, three hundred ninety-nine".