1051480781 has 8 divisors (see below), whose sum is σ = 1149265824. Its totient is φ = 956110320.

The previous prime is 1051480741. The next prime is 1051480789. The reversal of 1051480781 is 1870841501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1051480781 - 2¹⁰ = 1051479757 is a prime.

It is a super-2 number, since 2×1051480781² = 2211223665624739922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051480789) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 602735 + ... + 604476.

It is an arithmetic number, because the mean of its divisors is an integer number (143658228).

Almost surely, 2^1051480781 is an apocalyptic number.

It is an amenable number.

1051480781 is a deficient number, since it is larger than the sum of its proper divisors (97785043).

1051480781 is a wasteful number, since it uses less digits than its factorization.

1051480781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1207291.

The product of its (nonzero) digits is 8960, while the sum is 35.

The square root of 1051480781 is about 32426.5443888182. The cubic root of 1051480781 is about 1016.8739293402.

The spelling of 1051480781 in words is "one billion, fifty-one million, four hundred eighty thousand, seven hundred eighty-one".