1326420254 has 4 divisors (see below), whose sum is σ = 1989630384. Its totient is φ = 663210126.

The previous prime is 1326420253. The next prime is 1326420259. The reversal of 1326420254 is 4520246231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4520246231 = 2081 ⋅2172151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1326420253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331605062 + ... + 331605065.

It is an arithmetic number, because the mean of its divisors is an integer number (497407596).

Almost surely, 2^1326420254 is an apocalyptic number.

1326420254 is a deficient number, since it is larger than the sum of its proper divisors (663210130).

1326420254 is an equidigital number, since it uses as much as digits as its factorization.

1326420254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663210129.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 1326420254 is about 36420.0529104503. The cubic root of 1326420254 is about 1098.7369121833.

Adding to 1326420254 its reverse (4520246231), we get a palindrome (5846666485).

The spelling of 1326420254 in words is "one billion, three hundred twenty-six million, four hundred twenty thousand, two hundred fifty-four".