1020031200 has 108 divisors (see below), whose sum is σ = 3596910408. Its totient is φ = 272006400.

The previous prime is 1020031193. The next prime is 1020031211. The reversal of 1020031200 is 21300201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 63636 + ... + 78035.

It is an arithmetic number, because the mean of its divisors is an integer number (33304726).

Almost surely, 2^1020031200 is an apocalyptic number.

1020031200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020031200 is an abundant number, since it is smaller than the sum of its proper divisors (2576879208).

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

1020031200 is a wasteful number, since it uses less digits than its factorization.

1020031200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141697 (or 141681 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 1020031200 is about 31937.9272965545. The cubic root of 1020031200 is about 1006.6329730596.

Adding to 1020031200 its reverse (21300201), we get a palindrome (1041331401).

The spelling of 1020031200 in words is "one billion, twenty million, thirty-one thousand, two hundred".