1354221026 has 4 divisors (see below), whose sum is σ = 2031331542. Its totient is φ = 677110512.

The previous prime is 1354221023. The next prime is 1354221097. The reversal of 1354221026 is 6201224531.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 1021122025 + 333099001 = 31955^2 + 18251^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1354220986 and 1354221004.

It is not an unprimeable number, because it can be changed into a prime (1354221023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338555255 + ... + 338555258.

Almost surely, 2^1354221026 is an apocalyptic number.

1354221026 is a deficient number, since it is larger than the sum of its proper divisors (677110516).

1354221026 is an equidigital number, since it uses as much as digits as its factorization.

1354221026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677110515.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 1354221026 is about 36799.7422001840. The cubic root of 1354221026 is about 1106.3601320936.

Adding to 1354221026 its reverse (6201224531), we get a palindrome (7555445557).

The spelling of 1354221026 in words is "one billion, three hundred fifty-four million, two hundred twenty-one thousand, twenty-six".