1242349411 has 2 divisors, whose sum is σ = 1242349412. Its totient is φ = 1242349410.

The previous prime is 1242349403. The next prime is 1242349417. The reversal of 1242349411 is 1149432421.

It is a strong prime.

It is an emirp because it is prime and its reverse (1149432421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1242349411 - 2³ = 1242349403 is a prime.

It is not a weakly prime, because it can be changed into another prime (1242349417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 621174705 + 621174706.

It is an arithmetic number, because the mean of its divisors is an integer number (621174706).

Almost surely, 2^1242349411 is an apocalyptic number.

1242349411 is a deficient number, since it is larger than the sum of its proper divisors (1).

1242349411 is an equidigital number, since it uses as much as digits as its factorization.

1242349411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 31.

The square root of 1242349411 is about 35246.9773313968. The cubic root of 1242349411 is about 1075.0151534911.

The spelling of 1242349411 in words is "one billion, two hundred forty-two million, three hundred forty-nine thousand, four hundred eleven".