1121421214 has 8 divisors (see below), whose sum is σ = 1682507448. Its totient is φ = 560585400.

The previous prime is 1121421181. The next prime is 1121421251. The reversal of 1121421214 is 4121241211.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 1121421191 and 1121421200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50977 + ... + 69580.

It is an arithmetic number, because the mean of its divisors is an integer number (210313431).

Almost surely, 2^1121421214 is an apocalyptic number.

1121421214 is a deficient number, since it is larger than the sum of its proper divisors (561086234).

1121421214 is a wasteful number, since it uses less digits than its factorization.

1121421214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125210.

The product of its digits is 128, while the sum is 19.

The square root of 1121421214 is about 33487.6277750455. The cubic root of 1121421214 is about 1038.9378993027.

Adding to 1121421214 its reverse (4121241211), we get a palindrome (5242662425).

The spelling of 1121421214 in words is "one billion, one hundred twenty-one million, four hundred twenty-one thousand, two hundred fourteen".