1214523120 has 80 divisors (see below), whose sum is σ = 3778820640. Its totient is φ = 322685952.

The previous prime is 1214523091. The next prime is 1214523127. The reversal of 1214523120 is 213254121.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214523127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57346 + ... + 75614.

It is an arithmetic number, because the mean of its divisors is an integer number (47235258).

Almost surely, 2^1214523120 is an apocalyptic number.

1214523120 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 1214523120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1889410320).

1214523120 is an abundant number, since it is smaller than the sum of its proper divisors (2564297520).

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

1214523120 is a wasteful number, since it uses less digits than its factorization.

1214523120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18562 (or 18556 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1214523120 is about 34850.0088952643. The cubic root of 1214523120 is about 1066.9283672116.

Adding to 1214523120 its reverse (213254121), we get a palindrome (1427777241).

The spelling of 1214523120 in words is "one billion, two hundred fourteen million, five hundred twenty-three thousand, one hundred twenty".