1426256087 has 4 divisors (see below), whose sum is σ = 1440959856. Its totient is φ = 1411552320.

The previous prime is 1426256077. The next prime is 1426256093. The reversal of 1426256087 is 7806526241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7806526241 = 47 ⋅166096303.

It is a cyclic number.

It is not a de Polignac number, because 1426256087 - 2³⁰ = 352514263 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 (1426256017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7351739 + ... + 7351932.

It is an arithmetic number, because the mean of its divisors is an integer number (360239964).

Almost surely, 2^1426256087 is an apocalyptic number.

1426256087 is a deficient number, since it is larger than the sum of its proper divisors (14703769).

1426256087 is an equidigital number, since it uses as much as digits as its factorization.

1426256087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14703768.

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 1426256087 is about 37765.8057904237. The cubic root of 1426256087 is about 1125.6391001083.

The spelling of 1426256087 in words is "one billion, four hundred twenty-six million, two hundred fifty-six thousand, eighty-seven".