1420043478741 has 12 divisors (see below), whose sum is σ = 2051187985132. Its totient is φ = 946689158016.

The previous prime is 1420043478713. The next prime is 1420043478757. The reversal of 1420043478741 is 1478743400241.

1420043478741 is a `hidden beast` number, since 1 + 4 + 200 + 434 + 7 + 8 + 7 + 4 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 820238148900 + 599805329841 = 905670^2 + 774471^2 .

It is not a de Polignac number, because 1420043478741 - 2³⁴ = 1402863609557 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 (1420043478041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1108155 + ... + 2016951.

Almost surely, 2^{1420043478741} is an apocalyptic number.

It is an amenable number.

1420043478741 is a deficient number, since it is larger than the sum of its proper divisors (631144506391).

1420043478741 is a wasteful number, since it uses less digits than its factorization.

1420043478741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082420 (or 1082417 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 45.

Adding to 1420043478741 its reverse (1478743400241), we get a palindrome (2898786878982).

The spelling of 1420043478741 in words is "one trillion, four hundred twenty billion, forty-three million, four hundred seventy-eight thousand, seven hundred forty-one".