1000102040 has 32 divisors (see below), whose sum is σ = 2571691680. Its totient is φ = 342892032.

The previous prime is 1000102039. The next prime is 1000102057. The reversal of 1000102040 is 402010001.

1000102040 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 (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1785617 + ... + 1786176.

It is an arithmetic number, because the mean of its divisors is an integer number (80365365).

Almost surely, 2^1000102040 is an apocalyptic number.

1000102040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000102040 is an abundant number, since it is smaller than the sum of its proper divisors (1571589640).

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

1000102040 is a wasteful number, since it uses less digits than its factorization.

1000102040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3571811 (or 3571807 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 1000102040 is about 31624.3899545904. The cubic root of 1000102040 is about 1000.0340121765.

Adding to 1000102040 its reverse (402010001), we get a palindrome (1402112041).

The spelling of 1000102040 in words is "one billion, one hundred two thousand, forty".