1214272500 has 240 divisors, whose sum is σ = 4104186240. Its totient is φ = 273600000.

The previous prime is 1214272471. The next prime is 1214272513. The reversal of 1214272500 is 52724121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 5302386 + ... + 5302614.

It is an arithmetic number, because the mean of its divisors is an integer number (17100776).

Almost surely, 2^1214272500 is an apocalyptic number.

1214272500 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 1214272500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2052093120).

1214272500 is an abundant number, since it is smaller than the sum of its proper divisors (2889913740).

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

1214272500 is a wasteful number, since it uses less digits than its factorization.

1214272500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364 (or 347 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 1214272500 is about 34846.4130148284. The cubic root of 1214272500 is about 1066.8549743500.

Adding to 1214272500 its reverse (52724121), we get a palindrome (1266996621).

The spelling of 1214272500 in words is "one billion, two hundred fourteen million, two hundred seventy-two thousand, five hundred".