1214023305 has 32 divisors (see below), whose sum is σ = 2126592000. Its totient is φ = 586514880.

The previous prime is 1214023303. The next prime is 1214023309. The reversal of 1214023305 is 5033204121.

It is not a de Polignac number, because 1214023305 - 2¹ = 1214023303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1214023303) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33696 + ... + 59694.

It is an arithmetic number, because the mean of its divisors is an integer number (66456000).

Almost surely, 2^1214023305 is an apocalyptic number.

1214023305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1214023305 is a deficient number, since it is larger than the sum of its proper divisors (912568695).

1214023305 is a wasteful number, since it uses less digits than its factorization.

1214023305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26301.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1214023305 is about 34842.8372122593. The cubic root of 1214023305 is about 1066.7819887794.

Adding to 1214023305 its reverse (5033204121), we get a palindrome (6247227426).

The spelling of 1214023305 in words is "one billion, two hundred fourteen million, twenty-three thousand, three hundred five".