1042654143 has 4 divisors (see below), whose sum is σ = 1390205528. Its totient is φ = 695102760.

The previous prime is 1042654141. The next prime is 1042654169. The reversal of 1042654143 is 3414562401.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1042654143 - 2¹ = 1042654141 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1042654143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042654141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173775688 + ... + 173775693.

It is an arithmetic number, because the mean of its divisors is an integer number (347551382).

Almost surely, 2^1042654143 is an apocalyptic number.

1042654143 is a deficient number, since it is larger than the sum of its proper divisors (347551385).

1042654143 is an equidigital number, since it uses as much as digits as its factorization.

1042654143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347551384.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 1042654143 is about 32290.1555121681. The cubic root of 1042654143 is about 1014.0205530576.

The spelling of 1042654143 in words is "one billion, forty-two million, six hundred fifty-four thousand, one hundred forty-three".