2121061480 has 16 divisors (see below), whose sum is σ = 4772388420. Its totient is φ = 848424576.

The previous prime is 2121061471. The next prime is 2121061493. The reversal of 2121061480 is 841601212.

It can be written as a sum of positive squares in 2 ways, for example, as 1738389636 + 382671844 = 41694^2 + 19562^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26513229 + ... + 26513308.

Almost surely, 2^2121061480 is an apocalyptic number.

2121061480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2121061480 is an abundant number, since it is smaller than the sum of its proper divisors (2651326940).

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

2121061480 is a wasteful number, since it uses less digits than its factorization.

2121061480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53026548 (or 53026544 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 2121061480 is about 46054.9832265739. The cubic root of 2121061480 is about 1284.8460261542.

Adding to 2121061480 its reverse (841601212), we get a palindrome (2962662692).

The spelling of 2121061480 in words is "two billion, one hundred twenty-one million, sixty-one thousand, four hundred eighty".