1420050721000 has 64 divisors (see below), whose sum is σ = 3323611446480. Its totient is φ = 567901868800.

The previous prime is 1420050720961. The next prime is 1420050721009. The reversal of 1420050721000 is 1270500241.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 46855797444 + 1373194923556 = 216462^2 + 1171834^2 .

It is not an unprimeable number, because it can be changed into a prime (1420050721009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4731414 + ... + 5022586.

Almost surely, 2^{1420050721000} is an apocalyptic number.

1420050721000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1420050721000 is an abundant number, since it is smaller than the sum of its proper divisors (1903560725480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1420050721000 is a wasteful number, since it uses less digits than its factorization.

1420050721000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296071 (or 296057 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 22.

The spelling of 1420050721000 in words is "one trillion, four hundred twenty billion, fifty million, seven hundred twenty-one thousand".