1042123452 has 24 divisors (see below), whose sum is σ = 2434059600. Its totient is φ = 347026176.

The previous prime is 1042123391. The next prime is 1042123483. The reversal of 1042123452 is 2543212401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30927 + ... + 55142.

It is an arithmetic number, because the mean of its divisors is an integer number (101419150).

Almost surely, 2^1042123452 is an apocalyptic number.

1042123452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1042123452 is an abundant number, since it is smaller than the sum of its proper divisors (1391936148).

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

1042123452 is a wasteful number, since it uses less digits than its factorization.

1042123452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87085 (or 87083 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 1042123452 is about 32281.9369307357. The cubic root of 1042123452 is about 1013.8484848443.

Adding to 1042123452 its reverse (2543212401), we get a palindrome (3585335853).

The spelling of 1042123452 in words is "one billion, forty-two million, one hundred twenty-three thousand, four hundred fifty-two".