1430020241 has 4 divisors (see below), whose sum is σ = 1540021812. Its totient is φ = 1320018672.

The previous prime is 1430020231. The next prime is 1430020259. The reversal of 1430020241 is 1420200341.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 761539216 + 668481025 = 27596^2 + 25855^2 .

It is a cyclic number.

It is not a de Polignac number, because 1430020241 - 2⁶ = 1430020177 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1430020211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55000766 + ... + 55000791.

It is an arithmetic number, because the mean of its divisors is an integer number (385005453).

Almost surely, 2^1430020241 is an apocalyptic number.

It is an amenable number.

1430020241 is a deficient number, since it is larger than the sum of its proper divisors (110001571).

1430020241 is a wasteful number, since it uses less digits than its factorization.

1430020241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110001570.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1430020241 is about 37815.6084309112. The cubic root of 1430020241 is about 1126.6284869225.

Adding to 1430020241 its reverse (1420200341), we get a palindrome (2850220582).

The spelling of 1430020241 in words is "one billion, four hundred thirty million, twenty thousand, two hundred forty-one".