1230775797 has 8 divisors (see below), whose sum is σ = 1649281600. Its totient is φ = 816393600.

The previous prime is 1230775781. The next prime is 1230775811. The reversal of 1230775797 is 7975770321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1230775797 - 2⁴ = 1230775781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230775717) 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, 1030204 + ... + 1031397.

It is an arithmetic number, because the mean of its divisors is an integer number (206160200).

Almost surely, 2^1230775797 is an apocalyptic number.

It is an amenable number.

1230775797 is a deficient number, since it is larger than the sum of its proper divisors (418505803).

1230775797 is a wasteful number, since it uses less digits than its factorization.

1230775797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2061803.

The product of its (nonzero) digits is 648270, while the sum is 48.

The square root of 1230775797 is about 35082.4143553433. The cubic root of 1230775797 is about 1071.6664854700. Note that the first 3 decimals are identical.

The spelling of 1230775797 in words is "one billion, two hundred thirty million, seven hundred seventy-five thousand, seven hundred ninety-seven".