1026216427 has 4 divisors (see below), whose sum is σ = 1026876240. Its totient is φ = 1025556616.

The previous prime is 1026216413. The next prime is 1026216449. The reversal of 1026216427 is 7246126201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7246126201 = 4993 ⋅1451257.

It is a cyclic number.

It is not a de Polignac number, because 1026216427 - 2⁷ = 1026216299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1026216227) 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, 327568 + ... + 330685.

It is an arithmetic number, because the mean of its divisors is an integer number (256719060).

Almost surely, 2^1026216427 is an apocalyptic number.

1026216427 is a deficient number, since it is larger than the sum of its proper divisors (659813).

1026216427 is an equidigital number, since it uses as much as digits as its factorization.

1026216427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659812.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 1026216427 is about 32034.6129522428. The cubic root of 1026216427 is about 1008.6635354018.

The spelling of 1026216427 in words is "one billion, twenty-six million, two hundred sixteen thousand, four hundred twenty-seven".