1214214100 has 144 divisors (see below), whose sum is σ = 2986683840. Its totient is φ = 424652800.

The previous prime is 1214214011. The next prime is 1214214109. The reversal of 1214214100 is 14124121.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214214109) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3439524 + ... + 3439876.

It is an arithmetic number, because the mean of its divisors is an integer number (20740860).

Almost surely, 2^1214214100 is an apocalyptic number.

1214214100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1214214100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1493341920).

1214214100 is an abundant number, since it is smaller than the sum of its proper divisors (1772469740).

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

1214214100 is a wasteful number, since it uses less digits than its factorization.

1214214100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490 (or 483 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1214214100 is about 34845.5750418902. The cubic root of 1214214100 is about 1066.8378707401.

Adding to 1214214100 its reverse (14124121), we get a palindrome (1228338221).

It can be divided in two parts, 121421 and 4100, that added together give a palindrome (125521).

The spelling of 1214214100 in words is "one billion, two hundred fourteen million, two hundred fourteen thousand, one hundred".