1200642466 has 4 divisors (see below), whose sum is σ = 1800963702. Its totient is φ = 600321232.

The previous prime is 1200642463. The next prime is 1200642497. The reversal of 1200642466 is 6642460021.

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

It can be written as a sum of positive squares in only one way, i.e., 1197506025 + 3136441 = 34605^2 + 1771^2 .

It is a super-2 number, since 2×1200642466² = 2883084662325122312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1200642463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300160615 + ... + 300160618.

Almost surely, 2^1200642466 is an apocalyptic number.

1200642466 is a deficient number, since it is larger than the sum of its proper divisors (600321236).

1200642466 is an equidigital number, since it uses as much as digits as its factorization.

1200642466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600321235.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 1200642466 is about 34650.2881084703. The cubic root of 1200642466 is about 1062.8481803482.

The spelling of 1200642466 in words is "one billion, two hundred million, six hundred forty-two thousand, four hundred sixty-six".