1201331300 has 36 divisors (see below), whose sum is σ = 2807421876. Its totient is φ = 443568000.

The previous prime is 1201331279. The next prime is 1201331311. The reversal of 1201331300 is 31331021.

It can be written as a sum of positive squares in 6 ways, for example, as 209207296 + 992124004 = 14464^2 + 31498^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 460751 + ... + 463350.

It is an arithmetic number, because the mean of its divisors is an integer number (77983941).

Almost surely, 2^1201331300 is an apocalyptic number.

1201331300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201331300 is an abundant number, since it is smaller than the sum of its proper divisors (1606090576).

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

1201331300 is a wasteful number, since it uses less digits than its factorization.

1201331300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924128 (or 924121 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 1201331300 is about 34660.2264851227. The cubic root of 1201331300 is about 1063.0514009896.

Adding to 1201331300 its reverse (31331021), we get a palindrome (1232662321).

The spelling of 1201331300 in words is "one billion, two hundred one million, three hundred thirty-one thousand, three hundred".