1420263047 has 16 divisors (see below), whose sum is σ = 1677883392. Its totient is φ = 1176435360.

The previous prime is 1420263043. The next prime is 1420263121. The reversal of 1420263047 is 7403620241.

It is a cyclic number.

It is not a de Polignac number, because 1420263047 - 2² = 1420263043 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 (1420263043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163508 + ... + 171974.

It is an arithmetic number, because the mean of its divisors is an integer number (104867712).

Almost surely, 2^1420263047 is an apocalyptic number.

1420263047 is a deficient number, since it is larger than the sum of its proper divisors (257620345).

1420263047 is an equidigital number, since it uses as much as digits as its factorization.

1420263047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9278.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 1420263047 is about 37686.3774725032. The cubic root of 1420263047 is about 1124.0602646542.

Adding to 1420263047 its reverse (7403620241), we get a palindrome (8823883288).

The spelling of 1420263047 in words is "one billion, four hundred twenty million, two hundred sixty-three thousand, forty-seven".