1264230026 has 4 divisors (see below), whose sum is σ = 1896345042. Its totient is φ = 632115012.

The previous prime is 1264230013. The next prime is 1264230049. The reversal of 1264230026 is 6200324621.

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., 702303001 + 561927025 = 26501^2 + 23705^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1264229977 and 1264230004.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316057505 + ... + 316057508.

Almost surely, 2^1264230026 is an apocalyptic number.

1264230026 is a deficient number, since it is larger than the sum of its proper divisors (632115016).

1264230026 is an equidigital number, since it uses as much as digits as its factorization.

1264230026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632115015.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 1264230026 is about 35556.0125154664. The cubic root of 1264230026 is about 1081.2896191570.

Adding to 1264230026 its reverse (6200324621), we get a palindrome (7464554647).

The spelling of 1264230026 in words is "one billion, two hundred sixty-four million, two hundred thirty thousand, twenty-six".