1421084425 has 12 divisors (see below), whose sum is σ = 1803126160. Its totient is φ = 1110427920.

The previous prime is 1421084393. The next prime is 1421084447. The reversal of 1421084425 is 5244801241.

It is not a de Polignac number, because 1421084425 - 2⁵ = 1421084393 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 659895 + ... + 662044.

Almost surely, 2^1421084425 is an apocalyptic number.

It is an amenable number.

1421084425 is a deficient number, since it is larger than the sum of its proper divisors (382041735).

1421084425 is a wasteful number, since it uses less digits than its factorization.

1421084425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321992 (or 1321987 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 31.

The square root of 1421084425 is about 37697.2734425184. The cubic root of 1421084425 is about 1124.2769147659.

Adding to 1421084425 its reverse (5244801241), we get a palindrome (6665885666).

The spelling of 1421084425 in words is "one billion, four hundred twenty-one million, eighty-four thousand, four hundred twenty-five".