1214245560 has 64 divisors (see below), whose sum is σ = 3973898880. Its totient is φ = 294362240.

The previous prime is 1214245507. The next prime is 1214245561. The reversal of 1214245560 is 655424121.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214245561) 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 15 ways as a sum of consecutive naturals, for example, 458622 + ... + 461261.

It is an arithmetic number, because the mean of its divisors is an integer number (62092170).

Almost surely, 2^1214245560 is an apocalyptic number.

1214245560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1214245560 is an abundant number, since it is smaller than the sum of its proper divisors (2759653320).

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

1214245560 is a wasteful number, since it uses less digits than its factorization.

1214245560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919908 (or 919904 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 1214245560 is about 34846.0264592679. The cubic root of 1214245560 is about 1066.8470844995.

Adding to 1214245560 its reverse (655424121), we get a palindrome (1869669681).

The spelling of 1214245560 in words is "one billion, two hundred fourteen million, two hundred forty-five thousand, five hundred sixty".