1241142983 has 2 divisors, whose sum is σ = 1241142984. Its totient is φ = 1241142982.

The previous prime is 1241142979. The next prime is 1241143037. The reversal of 1241142983 is 3892411421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1241142983 - 2² = 1241142979 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1241142913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620571491 + 620571492.

It is an arithmetic number, because the mean of its divisors is an integer number (620571492).

Almost surely, 2^1241142983 is an apocalyptic number.

1241142983 is a deficient number, since it is larger than the sum of its proper divisors (1).

1241142983 is an equidigital number, since it uses as much as digits as its factorization.

1241142983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 35.

The square root of 1241142983 is about 35229.8592531960. The cubic root of 1241142983 is about 1074.6670634379.

The spelling of 1241142983 in words is "one billion, two hundred forty-one million, one hundred forty-two thousand, nine hundred eighty-three".