1214520523 has 8 divisors (see below), whose sum is σ = 1250338320. Its totient is φ = 1178860320.

The previous prime is 1214520499. The next prime is 1214520557. The reversal of 1214520523 is 3250254121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1214520523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1214520623) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 23668 + ... + 54673.

It is an arithmetic number, because the mean of its divisors is an integer number (156292290).

Almost surely, 2^1214520523 is an apocalyptic number.

1214520523 is a deficient number, since it is larger than the sum of its proper divisors (35817797).

1214520523 is an equidigital number, since it uses as much as digits as its factorization.

1214520523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78797.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1214520523 is about 34849.9716355695. The cubic root of 1214520523 is about 1066.9276067444.

Adding to 1214520523 its reverse (3250254121), we get a palindrome (4464774644).

The spelling of 1214520523 in words is "one billion, two hundred fourteen million, five hundred twenty thousand, five hundred twenty-three".