1260579953 has 2 divisors, whose sum is σ = 1260579954. Its totient is φ = 1260579952.

The previous prime is 1260579949. The next prime is 1260579977. The reversal of 1260579953 is 3599750621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 641963569 + 618616384 = 25337^2 + 24872^2 .

It is a cyclic number.

It is not a de Polignac number, because 1260579953 - 2² = 1260579949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1260579898 and 1260579907.

It is not a weakly prime, because it can be changed into another prime (1260579913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 630289976 + 630289977.

It is an arithmetic number, because the mean of its divisors is an integer number (630289977).

Almost surely, 2^1260579953 is an apocalyptic number.

It is an amenable number.

1260579953 is a deficient number, since it is larger than the sum of its proper divisors (1).

1260579953 is an equidigital number, since it uses as much as digits as its factorization.

1260579953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 510300, while the sum is 47.

The square root of 1260579953 is about 35504.6469212130. The cubic root of 1260579953 is about 1080.2479863208.

The spelling of 1260579953 in words is "one billion, two hundred sixty million, five hundred seventy-nine thousand, nine hundred fifty-three".