1131200002 has 8 divisors (see below), whose sum is σ = 1704210300. Its totient is φ = 563129904.

The previous prime is 1131199997. The next prime is 1131200003. The reversal of 1131200002 is 2000021311.

It can be written as a sum of positive squares in 2 ways, for example, as 1126877761 + 4322241 = 33569^2 + 2079^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1131200002² = 2559226889049600008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1131200003) 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, 1234477 + ... + 1235392.

Almost surely, 2^1131200002 is an apocalyptic number.

1131200002 is a deficient number, since it is larger than the sum of its proper divisors (573010298).

1131200002 is a wasteful number, since it uses less digits than its factorization.

1131200002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2470100.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1131200002 is about 33633.3168450571. The cubic root of 1131200002 is about 1041.9490085237.

Adding to 1131200002 its reverse (2000021311), we get a palindrome (3131221313).

The spelling of 1131200002 in words is "one billion, one hundred thirty-one million, two hundred thousand, two".