1214520371 has 2 divisors, whose sum is σ = 1214520372. Its totient is φ = 1214520370.

The previous prime is 1214520367. The next prime is 1214520389. The reversal of 1214520371 is 1730254121.

It is a weak prime.

It is an emirp because it is prime and its reverse (1730254121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1214520371 - 2² = 1214520367 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1214520371.

It is not a weakly prime, because it can be changed into another prime (1214523371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607260185 + 607260186.

It is an arithmetic number, because the mean of its divisors is an integer number (607260186).

Almost surely, 2^1214520371 is an apocalyptic number.

1214520371 is a deficient number, since it is larger than the sum of its proper divisors (1).

1214520371 is an equidigital number, since it uses as much as digits as its factorization.

1214520371 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 1214520371 is about 34849.9694547929. The cubic root of 1214520371 is about 1066.9275622350.

Adding to 1214520371 its reverse (1730254121), we get a palindrome (2944774492).

The spelling of 1214520371 in words is "one billion, two hundred fourteen million, five hundred twenty thousand, three hundred seventy-one".