1131200010 has 48 divisors (see below), whose sum is σ = 2945928960. Its totient is φ = 301160160.

The previous prime is 1131200003. The next prime is 1131200033. The reversal of 1131200010 is 100021311.

It is a super-2 number, since 2×1131200010² = 2559226925248000200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1131199965 and 1131200001.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46831 + ... + 66749.

It is an arithmetic number, because the mean of its divisors is an integer number (61373520).

Almost surely, 2^1131200010 is an apocalyptic number.

1131200010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131200010 is an abundant number, since it is smaller than the sum of its proper divisors (1814728950).

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

1131200010 is a wasteful number, since it uses less digits than its factorization.

1131200010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20563 (or 20560 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 1131200010 is about 33633.3169639868. The cubic root of 1131200010 is about 1041.9490109800.

Adding to 1131200010 its reverse (100021311), we get a palindrome (1231221321).

The spelling of 1131200010 in words is "one billion, one hundred thirty-one million, two hundred thousand, ten".