1244942341 has 2 divisors, whose sum is σ = 1244942342. Its totient is φ = 1244942340.

The previous prime is 1244942291. The next prime is 1244942359. The reversal of 1244942341 is 1432494421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 811053441 + 433888900 = 28479^2 + 20830^2 .

It is an emirp because it is prime and its reverse (1432494421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1244942341 - 2⁷ = 1244942213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1244942297 and 1244942306.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1244942381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622471170 + 622471171.

It is an arithmetic number, because the mean of its divisors is an integer number (622471171).

Almost surely, 2^1244942341 is an apocalyptic number.

It is an amenable number.

1244942341 is a deficient number, since it is larger than the sum of its proper divisors (1).

1244942341 is an equidigital number, since it uses as much as digits as its factorization.

1244942341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 34.

The square root of 1244942341 is about 35283.7404621449. The cubic root of 1244942341 is about 1075.7625283237.

The spelling of 1244942341 in words is "one billion, two hundred forty-four million, nine hundred forty-two thousand, three hundred forty-one".