1201000340 has 24 divisors (see below), whose sum is σ = 2523021480. Its totient is φ = 480224768.

The previous prime is 1201000337. The next prime is 1201000349. The reversal of 1201000340 is 430001021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 286421776 + 914578564 = 16924^2 + 30242^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201000349) 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 7 ways as a sum of consecutive naturals, for example, 54824 + ... + 73536.

It is an arithmetic number, because the mean of its divisors is an integer number (105125895).

Almost surely, 2^1201000340 is an apocalyptic number.

1201000340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201000340 is an abundant number, since it is smaller than the sum of its proper divisors (1322021140).

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

1201000340 is a wasteful number, since it uses less digits than its factorization.

1201000340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21931 (or 21929 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1201000340 is about 34655.4518077603. The cubic root of 1201000340 is about 1062.9537704676.

Adding to 1201000340 its reverse (430001021), we get a palindrome (1631001361).

The spelling of 1201000340 in words is "one billion, two hundred one million, three hundred forty", and thus it is an aban number.