1420247241 has 12 divisors (see below), whose sum is σ = 2344535232. Its totient is φ = 811569816.

The previous prime is 1420247239. The next prime is 1420247243. The reversal of 1420247241 is 1427420241.

It is an interprime number because it is at equal distance from previous prime (1420247239) and next prime (1420247243).

It is not a de Polignac number, because 1420247241 - 2¹ = 1420247239 is a prime.

It is a super-2 number, since 2×1420247241² = 4034204451136224162, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1420247243) 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 11 ways as a sum of consecutive naturals, for example, 11271741 + ... + 11271866.

It is an arithmetic number, because the mean of its divisors is an integer number (195377936).

Almost surely, 2^1420247241 is an apocalyptic number.

It is an amenable number.

1420247241 is a deficient number, since it is larger than the sum of its proper divisors (924287991).

1420247241 is a wasteful number, since it uses less digits than its factorization.

1420247241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22543620 (or 22543617 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 1420247241 is about 37686.1677674979. The cubic root of 1420247241 is about 1124.0560947782.

Adding to 1420247241 its reverse (1427420241), we get a palindrome (2847667482).

The spelling of 1420247241 in words is "one billion, four hundred twenty million, two hundred forty-seven thousand, two hundred forty-one".