1295797061 has 4 divisors (see below), whose sum is σ = 1395473772. Its totient is φ = 1196120352.

The previous prime is 1295797051. The next prime is 1295797067. The reversal of 1295797061 is 1607975921.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 210424036 + 1085373025 = 14506^2 + 32945^2 .

It is a cyclic number.

It is not a de Polignac number, because 1295797061 - 2¹⁰ = 1295796037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1295796997 and 1295797015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1295797067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49838336 + ... + 49838361.

It is an arithmetic number, because the mean of its divisors is an integer number (348868443).

Almost surely, 2^1295797061 is an apocalyptic number.

It is an amenable number.

1295797061 is a deficient number, since it is larger than the sum of its proper divisors (99676711).

1295797061 is an equidigital number, since it uses as much as digits as its factorization.

1295797061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99676710.

The product of its (nonzero) digits is 238140, while the sum is 47.

The square root of 1295797061 is about 35997.1812924290. The cubic root of 1295797061 is about 1090.2154446058.

The spelling of 1295797061 in words is "one billion, two hundred ninety-five million, seven hundred ninety-seven thousand, sixty-one".