1426261415 has 4 divisors (see below), whose sum is σ = 1711513704. Its totient is φ = 1141009128.

The previous prime is 1426261409. The next prime is 1426261433. The reversal of 1426261415 is 5141626241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1426261415 - 2⁶ = 1426261351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142626137 + ... + 142626146.

It is an arithmetic number, because the mean of its divisors is an integer number (427878426).

Almost surely, 2^1426261415 is an apocalyptic number.

1426261415 is a deficient number, since it is larger than the sum of its proper divisors (285252289).

1426261415 is an equidigital number, since it uses as much as digits as its factorization.

1426261415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285252288.

The product of its digits is 11520, while the sum is 32.

The square root of 1426261415 is about 37765.8763303594. The cubic root of 1426261415 is about 1125.6405017728.

Adding to 1426261415 its reverse (5141626241), we get a palindrome (6567887656).

The spelling of 1426261415 in words is "one billion, four hundred twenty-six million, two hundred sixty-one thousand, four hundred fifteen".