1214200540 has 24 divisors (see below), whose sum is σ = 2914081632. Its totient is φ = 416297280.

The previous prime is 1214200531. The next prime is 1214200541. The reversal of 1214200540 is 450024121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214200541) 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, 4336291 + ... + 4336570.

It is an arithmetic number, because the mean of its divisors is an integer number (121420068).

Almost surely, 2^1214200540 is an apocalyptic number.

1214200540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1214200540 is an abundant number, since it is smaller than the sum of its proper divisors (1699881092).

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

1214200540 is a wasteful number, since it uses less digits than its factorization.

1214200540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8672877 (or 8672875 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 1214200540 is about 34845.3804685786. The cubic root of 1214200540 is about 1066.8338993440.

Adding to 1214200540 its reverse (450024121), we get a palindrome (1664224661).

The spelling of 1214200540 in words is "one billion, two hundred fourteen million, two hundred thousand, five hundred forty".