1042122000 has 80 divisors (see below), whose sum is σ = 3359820672. Its totient is φ = 277897600.

The previous prime is 1042121999. The next prime is 1042122001. The reversal of 1042122000 is 2212401.

It is an interprime number because it is at equal distance from previous prime (1042121999) and next prime (1042122001).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (1042122001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80844 + ... + 92843.

Almost surely, 2^1042122000 is an apocalyptic number.

1042122000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1042122000 is an abundant number, since it is smaller than the sum of its proper divisors (2317698672).

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

1042122000 is a wasteful number, since it uses less digits than its factorization.

1042122000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173713 (or 173697 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 1042122000 is about 32281.9144413710. The cubic root of 1042122000 is about 1013.8480139760.

Adding to 1042122000 its reverse (2212401), we get a palindrome (1044334401).

The spelling of 1042122000 in words is "one billion, forty-two million, one hundred twenty-two thousand".