1042742454 has 32 divisors (see below), whose sum is σ = 2254301280. Its totient is φ = 319644672.

The previous prime is 1042742453. The next prime is 1042742471. The reversal of 1042742454 is 4542472401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042742453) 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 15 ways as a sum of consecutive naturals, for example, 3867 + ... + 45830.

It is an arithmetic number, because the mean of its divisors is an integer number (70446915).

Almost surely, 2^1042742454 is an apocalyptic number.

1042742454 is an abundant number, since it is smaller than the sum of its proper divisors (1211558826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1042742454 is a wasteful number, since it uses less digits than its factorization.

1042742454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49984.

The product of its (nonzero) digits is 35840, while the sum is 33.

The square root of 1042742454 is about 32291.5229433361. The cubic root of 1042742454 is about 1014.0491808443.

The spelling of 1042742454 in words is "one billion, forty-two million, seven hundred forty-two thousand, four hundred fifty-four".