1425706099 has 4 divisors (see below), whose sum is σ = 1428826264. Its totient is φ = 1422585936.

The previous prime is 1425706043. The next prime is 1425706103. The reversal of 1425706099 is 9906075241.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9906075241 = 1987 ⋅4985443.

It is a cyclic number.

It is not a de Polignac number, because 1425706099 - 2¹¹ = 1425704051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1425707099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1559397 + ... + 1560310.

It is an arithmetic number, because the mean of its divisors is an integer number (357206566).

Almost surely, 2^1425706099 is an apocalyptic number.

1425706099 is a deficient number, since it is larger than the sum of its proper divisors (3120165).

1425706099 is an equidigital number, since it uses as much as digits as its factorization.

1425706099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3120164.

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 1425706099 is about 37758.5235278076. The cubic root of 1425706099 is about 1125.4943931381.

The spelling of 1425706099 in words is "one billion, four hundred twenty-five million, seven hundred six thousand, ninety-nine".