1421714128 has 40 divisors (see below), whose sum is σ = 2810452808. Its totient is φ = 696563712.

The previous prime is 1421714113. The next prime is 1421714143. The reversal of 1421714128 is 8214171241.

It is an interprime number because it is at equal distance from previous prime (1421714113) and next prime (1421714143).

It can be written as a sum of positive squares in 4 ways, for example, as 560174224 + 861539904 = 23668^2 + 29352^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1421714128.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179500 + ... + 187252.

Almost surely, 2^1421714128 is an apocalyptic number.

It is an amenable number.

1421714128 is a deficient number, since it is larger than the sum of its proper divisors (1388738680).

1421714128 is a wasteful number, since it uses less digits than its factorization.

1421714128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7991 (or 7985 counting only the distinct ones).

The product of its digits is 3584, while the sum is 31.

The square root of 1421714128 is about 37705.6246202075. The cubic root of 1421714128 is about 1124.4429513480.

Adding to 1421714128 its reverse (8214171241), we get a palindrome (9635885369).

The spelling of 1421714128 in words is "one billion, four hundred twenty-one million, seven hundred fourteen thousand, one hundred twenty-eight".