1242060371 has 2 divisors, whose sum is σ = 1242060372. Its totient is φ = 1242060370.

The previous prime is 1242060359. The next prime is 1242060373. The reversal of 1242060371 is 1730602421.

It is a strong prime.

It is an emirp because it is prime and its reverse (1730602421) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1242060371 is a prime.

Together with 1242060373, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1242060371.

It is not a weakly prime, because it can be changed into another prime (1242060373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 621030185 + 621030186.

It is an arithmetic number, because the mean of its divisors is an integer number (621030186).

Almost surely, 2^1242060371 is an apocalyptic number.

1242060371 is a deficient number, since it is larger than the sum of its proper divisors (1).

1242060371 is an equidigital number, since it uses as much as digits as its factorization.

1242060371 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 1242060371 is about 35242.8768831377. The cubic root of 1242060371 is about 1074.9317774625.

Adding to 1242060371 its reverse (1730602421), we get a palindrome (2972662792).

The spelling of 1242060371 in words is "one billion, two hundred forty-two million, sixty thousand, three hundred seventy-one".