1205450464 has 12 divisors (see below), whose sum is σ = 2373230664. Its totient is φ = 602725216.

The previous prime is 1205450461. The next prime is 1205450483. The reversal of 1205450464 is 4640545021.

It is a happy number.

It is a super-2 number, since 2×1205450464² = 2906221642315630592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1205450461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18835132 + ... + 18835195.

It is an arithmetic number, because the mean of its divisors is an integer number (197769222).

Almost surely, 2^1205450464 is an apocalyptic number.

It is an amenable number.

1205450464 is a deficient number, since it is larger than the sum of its proper divisors (1167780200).

1205450464 is an equidigital number, since it uses as much as digits as its factorization.

1205450464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37670337 (or 37670329 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 1205450464 is about 34719.5976935217. The cubic root of 1205450464 is about 1064.2650233972.

Adding to 1205450464 its reverse (4640545021), we get a palindrome (5845995485).

The spelling of 1205450464 in words is "one billion, two hundred five million, four hundred fifty thousand, four hundred sixty-four".