1260512026 has 4 divisors (see below), whose sum is σ = 1890768042. Its totient is φ = 630256012.

The previous prime is 1260512021. The next prime is 1260512027. The reversal of 1260512026 is 6202150621.

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., 1242492001 + 18020025 = 35249^2 + 4245^2 .

It is not an unprimeable number, because it can be changed into a prime (1260512021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315128005 + ... + 315128008.

Almost surely, 2^1260512026 is an apocalyptic number.

1260512026 is a deficient number, since it is larger than the sum of its proper divisors (630256016).

1260512026 is an equidigital number, since it uses as much as digits as its factorization.

1260512026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630256015.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1260512026 is about 35503.6903152334. The cubic root of 1260512026 is about 1080.2285827326.

Adding to 1260512026 its reverse (6202150621), we get a palindrome (7462662647).

The spelling of 1260512026 in words is "one billion, two hundred sixty million, five hundred twelve thousand, twenty-six".