1241140031 has 4 divisors (see below), whose sum is σ = 1246085064. Its totient is φ = 1236195000.

The previous prime is 1241139967. The next prime is 1241140037. The reversal of 1241140031 is 1300411421.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1300411421 = 23 ⋅56539627.

It is a cyclic number.

It is not a de Polignac number, because 1241140031 - 2⁶ = 1241139967 is a prime.

It is a super-2 number, since 2×1241140031² = 3080857153101361922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1241139991 and 1241140009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241140037) 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, 2472140 + ... + 2472641.

It is an arithmetic number, because the mean of its divisors is an integer number (311521266).

Almost surely, 2^1241140031 is an apocalyptic number.

1241140031 is a deficient number, since it is larger than the sum of its proper divisors (4945033).

1241140031 is an equidigital number, since it uses as much as digits as its factorization.

1241140031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4945032.

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

The square root of 1241140031 is about 35229.8173568924. The cubic root of 1241140031 is about 1074.6662114222. Note that the first 3 decimals are identical.

Adding to 1241140031 its reverse (1300411421), we get a palindrome (2541551452).

The spelling of 1241140031 in words is "one billion, two hundred forty-one million, one hundred forty thousand, thirty-one".