1214418421 has 4 divisors (see below), whose sum is σ = 1278335200. Its totient is φ = 1150501644.

The previous prime is 1214418371. The next prime is 1214418433. The reversal of 1214418421 is 1248144121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1214418421 - 2²⁵ = 1180863989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1214418421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214418451) 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, 31958361 + ... + 31958398.

It is an arithmetic number, because the mean of its divisors is an integer number (319583800).

Almost surely, 2^1214418421 is an apocalyptic number.

It is an amenable number.

1214418421 is a deficient number, since it is larger than the sum of its proper divisors (63916779).

1214418421 is an equidigital number, since it uses as much as digits as its factorization.

1214418421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63916778.

The product of its digits is 2048, while the sum is 28.

The square root of 1214418421 is about 34848.5067255399. The cubic root of 1214418421 is about 1066.8977078411.

The spelling of 1214418421 in words is "one billion, two hundred fourteen million, four hundred eighteen thousand, four hundred twenty-one".