1205260026 has 16 divisors (see below), whose sum is σ = 2469313728. Its totient is φ = 391954400.

The previous prime is 1205259997. The next prime is 1205260027. The reversal of 1205260026 is 6200625021.

It is a junction number, because it is equal to n+sod(n) for n = 1205259978 and 1205260005.

It is not an unprimeable number, because it can be changed into a prime (1205260027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2449470 + ... + 2449961.

It is an arithmetic number, because the mean of its divisors is an integer number (154332108).

Almost surely, 2^1205260026 is an apocalyptic number.

1205260026 is an abundant number, since it is smaller than the sum of its proper divisors (1264053702).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1205260026 is a wasteful number, since it uses less digits than its factorization.

1205260026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4899477.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1205260026 is about 34716.8550707002. The cubic root of 1205260026 is about 1064.2089759741.

Adding to 1205260026 its reverse (6200625021), we get a palindrome (7405885047).

It can be divided in two parts, 120 and 5260026, that added together give a triangular number (5260146 = T₃₂₄₃).

The spelling of 1205260026 in words is "one billion, two hundred five million, two hundred sixty thousand, twenty-six".