1420012447 has 8 divisors (see below), whose sum is σ = 1623114752. Its totient is φ = 1216971000.

The previous prime is 1420012421. The next prime is 1420012469. The reversal of 1420012447 is 7442100241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1420012447 - 2²³ = 1411623839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420012147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58822 + ... + 79372.

It is an arithmetic number, because the mean of its divisors is an integer number (202889344).

Almost surely, 2^1420012447 is an apocalyptic number.

1420012447 is a deficient number, since it is larger than the sum of its proper divisors (203102305).

1420012447 is an equidigital number, since it uses as much as digits as its factorization.

1420012447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30429.

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 1420012447 is about 37683.0525170135. The cubic root of 1420012447 is about 1123.9941487160.

Adding to 1420012447 its reverse (7442100241), we get a palindrome (8862112688).

The spelling of 1420012447 in words is "one billion, four hundred twenty million, twelve thousand, four hundred forty-seven".