1042500000 has 192 divisors, whose sum is σ = 3445303680. Its totient is φ = 276000000.

The previous prime is 1042499981. The next prime is 1042500013. The reversal of 1042500000 is 52401.

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

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 7499931 + ... + 7500069.

It is an arithmetic number, because the mean of its divisors is an integer number (17944290).

Almost surely, 2^1042500000 is an apocalyptic number.

1042500000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1042500000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1722651840).

1042500000 is an abundant number, since it is smaller than the sum of its proper divisors (2402803680).

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

1042500000 is an frugal number, since it uses more digits than its factorization.

1042500000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 1042500000 is about 32287.7685819259. The cubic root of 1042500000 is about 1013.9705806309.

Adding to 1042500000 its reverse (52401), we get a palindrome (1042552401).

The spelling of 1042500000 in words is "one billion, forty-two million, five hundred thousand".