1200421132 has 6 divisors (see below), whose sum is σ = 2100736988. Its totient is φ = 600210564.

The previous prime is 1200421127. The next prime is 1200421171. The reversal of 1200421132 is 2311240021.

It is a super-2 number, since 2×1200421132² = 2882021788304322848, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150052638 + ... + 150052645.

Almost surely, 2^1200421132 is an apocalyptic number.

It is an amenable number.

1200421132 is a deficient number, since it is larger than the sum of its proper divisors (900315856).

1200421132 is a wasteful number, since it uses less digits than its factorization.

1200421132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300105287 (or 300105285 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1200421132 is about 34647.0941350065. The cubic root of 1200421132 is about 1062.7828656236.

Adding to 1200421132 its reverse (2311240021), we get a palindrome (3511661153).

The spelling of 1200421132 in words is "one billion, two hundred million, four hundred twenty-one thousand, one hundred thirty-two".