1426111073 has 4 divisors (see below), whose sum is σ = 1472114688. Its totient is φ = 1380107460.

The previous prime is 1426111061. The next prime is 1426111103. The reversal of 1426111073 is 3701116241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3701116241 = 997 ⋅3712253.

It is a cyclic number.

It is not a de Polignac number, because 1426111073 - 2⁸ = 1426110817 is a prime.

It is a super-2 number, since 2×1426111073² = 4067585585066422658, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1426111003) 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, 23001761 + ... + 23001822.

It is an arithmetic number, because the mean of its divisors is an integer number (368028672).

Almost surely, 2^1426111073 is an apocalyptic number.

It is an amenable number.

1426111073 is a deficient number, since it is larger than the sum of its proper divisors (46003615).

1426111073 is an equidigital number, since it uses as much as digits as its factorization.

1426111073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46003614.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 1426111073 is about 37763.8858302479. The cubic root of 1426111073 is about 1125.6009491847.

The spelling of 1426111073 in words is "one billion, four hundred twenty-six million, one hundred eleven thousand, seventy-three".