1241494031 has 4 divisors (see below), whose sum is σ = 1284304200. Its totient is φ = 1198683864.

The previous prime is 1241494027. The next prime is 1241494039. The reversal of 1241494031 is 1304941421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1304941421 = 7 ⋅186420203.

It is a cyclic number.

It is not a de Polignac number, because 1241494031 - 2² = 1241494027 is a prime.

It is a super-2 number, since 2×1241494031² = 3082614858017257922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 42810139 = 1241494031 / (1 + 2 + 4 + 1 + 4 + 9 + 4 + 0 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1241493985 and 1241494003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241494039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21405041 + ... + 21405098.

It is an arithmetic number, because the mean of its divisors is an integer number (321076050).

Almost surely, 2^1241494031 is an apocalyptic number.

1241494031 is the 15758-th centered decagonal number.

1241494031 is a deficient number, since it is larger than the sum of its proper divisors (42810169).

1241494031 is an equidigital number, since it uses as much as digits as its factorization.

1241494031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42810168.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 1241494031 is about 35234.8411519053. The cubic root of 1241494031 is about 1074.7683743976.

The spelling of 1241494031 in words is "one billion, two hundred forty-one million, four hundred ninety-four thousand, thirty-one".