1200032130 has 128 divisors (see below), whose sum is σ = 3297853440. Its totient is φ = 276629760.

The previous prime is 1200032129. The next prime is 1200032179. The reversal of 1200032130 is 312300021.

It is a happy number.

It is a super-2 number, since 2×1200032130² = 2880154226064673800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1692216 + ... + 1692924.

It is an arithmetic number, because the mean of its divisors is an integer number (25764480).

Almost surely, 2^1200032130 is an apocalyptic number.

1200032130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1200032130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1648926720).

1200032130 is an abundant number, since it is smaller than the sum of its proper divisors (2097821310).

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

1200032130 is a wasteful number, since it uses less digits than its factorization.

1200032130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1200032130 is about 34641.4799048770. The cubic root of 1200032130 is about 1062.6680533257.

Adding to 1200032130 its reverse (312300021), we get a palindrome (1512332151).

The spelling of 1200032130 in words is "one billion, two hundred million, thirty-two thousand, one hundred thirty".