1425408199 has 8 divisors (see below), whose sum is σ = 1451434320. Its totient is φ = 1399444416.

The previous prime is 1425408191. The next prime is 1425408211. The reversal of 1425408199 is 9918045241.

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 1425408199 - 2³ = 1425408191 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 (1425408191) 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, 31867 + ... + 62179.

It is an arithmetic number, because the mean of its divisors is an integer number (181429290).

Almost surely, 2^1425408199 is an apocalyptic number.

1425408199 is a deficient number, since it is larger than the sum of its proper divisors (26026121).

1425408199 is an equidigital number, since it uses as much as digits as its factorization.

1425408199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31169.

The product of its (nonzero) digits is 103680, while the sum is 43.

The square root of 1425408199 is about 37754.5785170488. The cubic root of 1425408199 is about 1125.4159973324.

The spelling of 1425408199 in words is "one billion, four hundred twenty-five million, four hundred eight thousand, one hundred ninety-nine".