1201100340 has 48 divisors (see below), whose sum is σ = 3668817600. Its totient is φ = 291175680.

The previous prime is 1201100339. The next prime is 1201100389. The reversal of 1201100340 is 430011021.

It is a happy number.

1201100340 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 909265 + ... + 910584.

It is an arithmetic number, because the mean of its divisors is an integer number (76433700).

Almost surely, 2^1201100340 is an apocalyptic number.

1201100340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201100340 is an abundant number, since it is smaller than the sum of its proper divisors (2467717260).

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

1201100340 is a wasteful number, since it uses less digits than its factorization.

1201100340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1819872 (or 1819870 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1201100340 is about 34656.8945521667. The cubic root of 1201100340 is about 1062.9832715492.

Adding to 1201100340 its reverse (430011021), we get a palindrome (1631111361).

The spelling of 1201100340 in words is "one billion, two hundred one million, one hundred thousand, three hundred forty".