1020973900 has 18 divisors (see below), whose sum is σ = 2215513580. Its totient is φ = 408389520.

The previous prime is 1020973861. The next prime is 1020973901. The reversal of 1020973900 is 93790201.

It is not an unprimeable number, because it can be changed into a prime (1020973901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5104770 + ... + 5104969.

Almost surely, 2^1020973900 is an apocalyptic number.

1020973900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020973900 is an abundant number, since it is smaller than the sum of its proper divisors (1194539680).

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

1020973900 is a wasteful number, since it uses less digits than its factorization.

1020973900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10209753 (or 10209746 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 1020973900 is about 31952.6822035334. The cubic root of 1020973900 is about 1006.9429834190.

The spelling of 1020973900 in words is "one billion, twenty million, nine hundred seventy-three thousand, nine hundred".