1003000120 has 32 divisors (see below), whose sum is σ = 2375528400. Its totient is φ = 380083968.

The previous prime is 1003000111. The next prime is 1003000121. The reversal of 1003000120 is 210003001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003000121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 659109 + ... + 660628.

Almost surely, 2^1003000120 is an apocalyptic number.

1003000120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1003000120 is an abundant number, since it is smaller than the sum of its proper divisors (1372528280).

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

1003000120 is a wasteful number, since it uses less digits than its factorization.

1003000120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1319767 (or 1319763 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 7.

The square root of 1003000120 is about 31670.1771387531. The cubic root of 1003000120 is about 1000.9990415835. Note that the first 3 decimals are identical.

Adding to 1003000120 its reverse (210003001), we get a palindrome (1213003121).

The spelling of 1003000120 in words is "one billion, three million, one hundred twenty", and thus it is an aban number.