1042502100 has 72 divisors (see below), whose sum is σ = 3113634048. Its totient is φ = 269030400.

The previous prime is 1042502081. The next prime is 1042502107. The reversal of 1042502100 is 12052401.

1042502100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1042502100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042502107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46749 + ... + 65348.

Almost surely, 2^1042502100 is an apocalyptic number.

1042502100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1042502100 is an abundant number, since it is smaller than the sum of its proper divisors (2071131948).

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

1042502100 is a wasteful number, since it uses less digits than its factorization.

1042502100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112145 (or 112138 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 1042502100 is about 32287.8011019642. The cubic root of 1042502100 is about 1013.9712614740.

Adding to 1042502100 its reverse (12052401), we get a palindrome (1054554501).

The spelling of 1042502100 in words is "one billion, forty-two million, five hundred two thousand, one hundred".