1420771425 has 12 divisors (see below), whose sum is σ = 2349008880. Its totient is φ = 757744720.

The previous prime is 1420771423. The next prime is 1420771427. The reversal of 1420771425 is 5241770241.

It is an interprime number because it is at equal distance from previous prime (1420771423) and next prime (1420771427).

It is not a de Polignac number, because 1420771425 - 2¹ = 1420771423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1420771421) 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, 9471735 + ... + 9471884.

It is an arithmetic number, because the mean of its divisors is an integer number (195750740).

Almost surely, 2^1420771425 is an apocalyptic number.

1420771425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1420771425 is a deficient number, since it is larger than the sum of its proper divisors (928237455).

1420771425 is a wasteful number, since it uses less digits than its factorization.

1420771425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18943632 (or 18943627 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 1420771425 is about 37693.1217200168. The cubic root of 1420771425 is about 1124.1943664183.

The spelling of 1420771425 in words is "one billion, four hundred twenty million, seven hundred seventy-one thousand, four hundred twenty-five".