1260000026 has 4 divisors (see below), whose sum is σ = 1890000042. Its totient is φ = 630000012.

The previous prime is 1260000023. The next prime is 1260000031. The reversal of 1260000026 is 6200000621.

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., 917787025 + 342213001 = 30295^2 + 18499^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1259999959 and 1260000013.

It is not an unprimeable number, because it can be changed into a prime (1260000023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315000005 + ... + 315000008.

Almost surely, 2^1260000026 is an apocalyptic number.

1260000026 is a deficient number, since it is larger than the sum of its proper divisors (630000016).

1260000026 is an equidigital number, since it uses as much as digits as its factorization.

1260000026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630000015.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1260000026 is about 35496.4790648312. The cubic root of 1260000026 is about 1080.0823056844.

Adding to 1260000026 its reverse (6200000621), we get a palindrome (7460000647).

The spelling of 1260000026 in words is "one billion, two hundred sixty million, twenty-six", and thus it is an aban number.