1285043051 has 8 divisors (see below), whose sum is σ = 1341287424. Its totient is φ = 1228829800.

The previous prime is 1285043029. The next prime is 1285043063. The reversal of 1285043051 is 1503405821.

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 1285043051 - 2¹⁰ = 1285042027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1285043021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125030 + ... + 134916.

It is an arithmetic number, because the mean of its divisors is an integer number (167660928).

Almost surely, 2^1285043051 is an apocalyptic number.

1285043051 is a deficient number, since it is larger than the sum of its proper divisors (56244373).

1285043051 is an equidigital number, since it uses as much as digits as its factorization.

1285043051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15561.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 1285043051 is about 35847.4971371782. The cubic root of 1285043051 is about 1087.1911099821.

Adding to 1285043051 its reverse (1503405821), we get a palindrome (2788448872).

The spelling of 1285043051 in words is "one billion, two hundred eighty-five million, forty-three thousand, fifty-one".