1285124478043 has 8 divisors (see below), whose sum is σ = 1477203365088. Its totient is φ = 1095168009984.

The previous prime is 1285124478041. The next prime is 1285124478049. The reversal of 1285124478043 is 3408744215821.

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 1285124478043 - 2¹ = 1285124478041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1285124478041) 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, 530603446 + ... + 530605867.

It is an arithmetic number, because the mean of its divisors is an integer number (184650420636).

Almost surely, 2^{1285124478043} is an apocalyptic number.

1285124478043 is a deficient number, since it is larger than the sum of its proper divisors (192078887045).

1285124478043 is a wasteful number, since it uses less digits than its factorization.

1285124478043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061209493.

The product of its (nonzero) digits is 1720320, while the sum is 49.

The spelling of 1285124478043 in words is "one trillion, two hundred eighty-five billion, one hundred twenty-four million, four hundred seventy-eight thousand, forty-three".