1276420163084 has 24 divisors (see below), whose sum is σ = 2440533887568. Its totient is φ = 579302469440.

The previous prime is 1276420163071. The next prime is 1276420163087. The reversal of 1276420163084 is 4803610246721.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (1276420163087) 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 7 ways as a sum of consecutive naturals, for example, 22183787 + ... + 22241250.

It is an arithmetic number, because the mean of its divisors is an integer number (101688911982).

Almost surely, 2^{1276420163084} is an apocalyptic number.

It is an amenable number.

1276420163084 is a deficient number, since it is larger than the sum of its proper divisors (1164113724484).

1276420163084 is a wasteful number, since it uses less digits than its factorization.

1276420163084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44425705 (or 44425703 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 44.

The spelling of 1276420163084 in words is "one trillion, two hundred seventy-six billion, four hundred twenty million, one hundred sixty-three thousand, eighty-four".