1282612097 has 4 divisors (see below), whose sum is σ = 1381274580. Its totient is φ = 1183949616.

The previous prime is 1282612069. The next prime is 1282612099. The reversal of 1282612097 is 7902162821.

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 110166016 + 1172446081 = 10496^2 + 34241^2 .

It is a cyclic number.

It is not a de Polignac number, because 1282612097 - 2¹⁰ = 1282611073 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1282612097.

It is not an unprimeable number, because it can be changed into a prime (1282612099) 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, 49331222 + ... + 49331247.

It is an arithmetic number, because the mean of its divisors is an integer number (345318645).

Almost surely, 2^1282612097 is an apocalyptic number.

It is an amenable number.

1282612097 is a deficient number, since it is larger than the sum of its proper divisors (98662483).

1282612097 is an equidigital number, since it uses as much as digits as its factorization.

1282612097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98662482.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 1282612097 is about 35813.5742002945. The cubic root of 1282612097 is about 1086.5051200232.

The spelling of 1282612097 in words is "one billion, two hundred eighty-two million, six hundred twelve thousand, ninety-seven".