1415420647 has 4 divisors (see below), whose sum is σ = 1415503960. Its totient is φ = 1415337336.

The previous prime is 1415420639. The next prime is 1415420653. The reversal of 1415420647 is 7460245141.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1415420647 - 2³ = 1415420639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1415420947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5997 + ... + 53542.

It is an arithmetic number, because the mean of its divisors is an integer number (353875990).

Almost surely, 2^1415420647 is an apocalyptic number.

1415420647 is a deficient number, since it is larger than the sum of its proper divisors (83313).

1415420647 is an equidigital number, since it uses as much as digits as its factorization.

1415420647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83312.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 1415420647 is about 37622.0765907466. The cubic root of 1415420647 is about 1122.7813120598.

Adding to 1415420647 its reverse (7460245141), we get a palindrome (8875665788).

The spelling of 1415420647 in words is "one billion, four hundred fifteen million, four hundred twenty thousand, six hundred forty-seven".