1042520500 has 192 divisors, whose sum is σ = 2794821120. Its totient is φ = 331776000.

The previous prime is 1042520497. The next prime is 1042520533. The reversal of 1042520500 is 50252401.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4056372 + ... + 4056628.

It is an arithmetic number, because the mean of its divisors is an integer number (14556360).

Almost surely, 2^1042520500 is an apocalyptic number.

1042520500 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 1042520500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1397410560).

1042520500 is an abundant number, since it is smaller than the sum of its proper divisors (1752300620).

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

1042520500 is a wasteful number, since it uses less digits than its factorization.

1042520500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363 (or 351 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 1042520500 is about 32288.0860380420. The cubic root of 1042520500 is about 1013.9772269173.

Adding to 1042520500 its reverse (50252401), we get a palindrome (1092772901).

The spelling of 1042520500 in words is "one billion, forty-two million, five hundred twenty thousand, five hundred".