1425117805 has 8 divisors (see below), whose sum is σ = 1735666272. Its totient is φ = 1123077648.

The previous prime is 1425117791. The next prime is 1425117809. The reversal of 1425117805 is 5087115241.

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 1425117805 - 2⁵ = 1425117773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425117809) 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, 2126707 + ... + 2127376.

It is an arithmetic number, because the mean of its divisors is an integer number (216958284).

Almost surely, 2^1425117805 is an apocalyptic number.

It is an amenable number.

1425117805 is a deficient number, since it is larger than the sum of its proper divisors (310548467).

1425117805 is an equidigital number, since it uses as much as digits as its factorization.

1425117805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4254155.

The product of its (nonzero) digits is 11200, while the sum is 34.

The square root of 1425117805 is about 37750.7325094494. The cubic root of 1425117805 is about 1125.3395663027.

The spelling of 1425117805 in words is "one billion, four hundred twenty-five million, one hundred seventeen thousand, eight hundred five".