1042551505 has 8 divisors (see below), whose sum is σ = 1260194472. Its totient is φ = 827952768.

The previous prime is 1042551481. The next prime is 1042551511. The reversal of 1042551505 is 5051552401.

It can be written as a sum of positive squares in 4 ways, for example, as 358572096 + 683979409 = 18936^2 + 26153^2 .

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 1042551505 - 2⁵ = 1042551473 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 760302 + ... + 761671.

It is an arithmetic number, because the mean of its divisors is an integer number (157524309).

Almost surely, 2^1042551505 is an apocalyptic number.

It is an amenable number.

1042551505 is a deficient number, since it is larger than the sum of its proper divisors (217642967).

1042551505 is a wasteful number, since it uses less digits than its factorization.

1042551505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1522115.

The product of its (nonzero) digits is 5000, while the sum is 28.

The square root of 1042551505 is about 32288.5661651303. The cubic root of 1042551505 is about 1013.9872788547.

The spelling of 1042551505 in words is "one billion, forty-two million, five hundred fifty-one thousand, five hundred five".