1230396445 has 4 divisors (see below), whose sum is σ = 1476475740. Its totient is φ = 984317152.

The previous prime is 1230396439. The next prime is 1230396449. The reversal of 1230396445 is 5446930321.

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 647753401 + 582643044 = 25451^2 + 24138^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230396445 - 2²⁹ = 693525533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230396449) 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, 123039640 + ... + 123039649.

It is an arithmetic number, because the mean of its divisors is an integer number (369118935).

Almost surely, 2^1230396445 is an apocalyptic number.

It is an amenable number.

1230396445 is a deficient number, since it is larger than the sum of its proper divisors (246079295).

1230396445 is an equidigital number, since it uses as much as digits as its factorization.

1230396445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246079294.

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 1230396445 is about 35077.0073552463. The cubic root of 1230396445 is about 1071.5563704784.

The spelling of 1230396445 in words is "one billion, two hundred thirty million, three hundred ninety-six thousand, four hundred forty-five".