1000200972 has 12 divisors (see below), whose sum is σ = 2333802296. Its totient is φ = 333400320.

The previous prime is 1000200961. The next prime is 1000200973. The reversal of 1000200972 is 2790020001.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (1000200973) 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, 41675029 + ... + 41675052.

Almost surely, 2^1000200972 is an apocalyptic number.

1000200972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1000200972 is an abundant number, since it is smaller than the sum of its proper divisors (1333601324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1000200972 is a wasteful number, since it uses less digits than its factorization.

1000200972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83350088 (or 83350086 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 1000200972 is about 31625.9540883749. The cubic root of 1000200972 is about 1000.0669861794.

Adding to 1000200972 its reverse (2790020001), we get a palindrome (3790220973).

The spelling of 1000200972 in words is "one billion, two hundred thousand, nine hundred seventy-two".