1214023411 has 4 divisors (see below), whose sum is σ = 1277919400. Its totient is φ = 1150127424.

The previous prime is 1214023387. The next prime is 1214023417. The reversal of 1214023411 is 1143204121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1143204121 = 23 ⋅49704527.

It is a cyclic number.

It is not a de Polignac number, because 1214023411 - 2¹³ = 1214015219 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 63895969 = 1214023411 / (1 + 2 + 1 + 4 + 0 + 2 + 3 + 4 + 1 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1214023417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31947966 + ... + 31948003.

It is an arithmetic number, because the mean of its divisors is an integer number (319479850).

Almost surely, 2^1214023411 is an apocalyptic number.

1214023411 is a deficient number, since it is larger than the sum of its proper divisors (63895989).

1214023411 is an equidigital number, since it uses as much as digits as its factorization.

1214023411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63895988.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1214023411 is about 34842.8387333753. The cubic root of 1214023411 is about 1066.7820198274.

Adding to 1214023411 its reverse (1143204121), we get a palindrome (2357227532).

The spelling of 1214023411 in words is "one billion, two hundred fourteen million, twenty-three thousand, four hundred eleven".