1425421067 has 8 divisors (see below), whose sum is σ = 1699881216. Its totient is φ = 1168668072.

The previous prime is 1425421057. The next prime is 1425421069. The reversal of 1425421067 is 7601245241.

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

It is a cyclic number.

It is not a de Polignac number, because 1425421067 - 2⁴ = 1425421051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1425421069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4426613 + ... + 4426934.

It is an arithmetic number, because the mean of its divisors is an integer number (212485152).

Almost surely, 2^1425421067 is an apocalyptic number.

1425421067 is a deficient number, since it is larger than the sum of its proper divisors (274460149).

1425421067 is an equidigital number, since it uses as much as digits as its factorization.

1425421067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8853577.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 1425421067 is about 37754.7489330813. The cubic root of 1425421067 is about 1125.4193839201.

The spelling of 1425421067 in words is "one billion, four hundred twenty-five million, four hundred twenty-one thousand, sixty-seven".