1241992043 has 2 divisors, whose sum is σ = 1241992044. Its totient is φ = 1241992042.

The previous prime is 1241992013. The next prime is 1241992097. The reversal of 1241992043 is 3402991421.

It is a weak prime.

It is an emirp because it is prime and its reverse (3402991421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1241992043 - 2¹⁰ = 1241991019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1241991994 and 1241992012.

It is not a weakly prime, because it can be changed into another prime (1241992013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620996021 + 620996022.

It is an arithmetic number, because the mean of its divisors is an integer number (620996022).

Almost surely, 2^1241992043 is an apocalyptic number.

1241992043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1241992043 is an equidigital number, since it uses as much as digits as its factorization.

1241992043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 1241992043 is about 35241.9074824278. The cubic root of 1241992043 is about 1074.9120657836.

The spelling of 1241992043 in words is "one billion, two hundred forty-one million, nine hundred ninety-two thousand, forty-three".