1200930100 has 36 divisors (see below), whose sum is σ = 2629105164. Its totient is φ = 476116480.

The previous prime is 1200930089. The next prime is 1200930103. The reversal of 1200930100 is 10390021.

It can be written as a sum of positive squares in 6 ways, for example, as 7365796 + 1193564304 = 2714^2 + 34548^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200930103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41839 + ... + 64438.

It is an arithmetic number, because the mean of its divisors is an integer number (73030699).

Almost surely, 2^1200930100 is an apocalyptic number.

1200930100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200930100 is an abundant number, since it is smaller than the sum of its proper divisors (1428175064).

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

1200930100 is a wasteful number, since it uses less digits than its factorization.

1200930100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106404 (or 106397 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 1200930100 is about 34654.4383881776. The cubic root of 1200930100 is about 1062.9330479289.

The spelling of 1200930100 in words is "one billion, two hundred million, nine hundred thirty thousand, one hundred".