1421456968 has 16 divisors (see below), whose sum is σ = 2666162160. Its totient is φ = 710480400.

The previous prime is 1421456963. The next prime is 1421456987. The reversal of 1421456968 is 8696541241.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1421456963) 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, 5418 + ... + 53593.

It is an arithmetic number, because the mean of its divisors is an integer number (166635135).

Almost surely, 2^1421456968 is an apocalyptic number.

It is an amenable number.

1421456968 is a deficient number, since it is larger than the sum of its proper divisors (1244705192).

1421456968 is a wasteful number, since it uses less digits than its factorization.

1421456968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62028 (or 62024 counting only the distinct ones).

The product of its digits is 414720, while the sum is 46.

The square root of 1421456968 is about 37702.2143646762. The cubic root of 1421456968 is about 1124.3751507544.

The spelling of 1421456968 in words is "one billion, four hundred twenty-one million, four hundred fifty-six thousand, nine hundred sixty-eight".