1078260261 has 16 divisors (see below), whose sum is σ = 1549180416. Its totient is φ = 663155136.

The previous prime is 1078260247. The next prime is 1078260277. The reversal of 1078260261 is 1620628701.

It is not a de Polignac number, because 1078260261 - 2¹³ = 1078252069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1078260061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68236 + ... + 82538.

It is an arithmetic number, because the mean of its divisors is an integer number (96823776).

Almost surely, 2^1078260261 is an apocalyptic number.

It is an amenable number.

1078260261 is a deficient number, since it is larger than the sum of its proper divisors (470920155).

1078260261 is a wasteful number, since it uses less digits than its factorization.

1078260261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16252.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 1078260261 is about 32836.8734961171. The cubic root of 1078260261 is about 1025.4343623259.

Adding to 1078260261 its reverse (1620628701), we get a palindrome (2698888962).

The spelling of 1078260261 in words is "one billion, seventy-eight million, two hundred sixty thousand, two hundred sixty-one".