1210001130 has 288 divisors, whose sum is σ = 3699820800. Its totient is φ = 273341952.

The previous prime is 1210001119. The next prime is 1210001147. The reversal of 1210001130 is 311000121.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 15316431 + ... + 15316509.

It is an arithmetic number, because the mean of its divisors is an integer number (12846600).

Almost surely, 2^1210001130 is an apocalyptic number.

1210001130 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 1210001130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1849910400).

1210001130 is an abundant number, since it is smaller than the sum of its proper divisors (2489819670).

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

1210001130 is a wasteful number, since it uses less digits than its factorization.

1210001130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190 (or 174 counting only the distinct ones).

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

The square root of 1210001130 is about 34785.0705044564. The cubic root of 1210001130 is about 1065.6025684829.

Adding to 1210001130 its reverse (311000121), we get a palindrome (1521001251).

The spelling of 1210001130 in words is "one billion, two hundred ten million, one thousand, one hundred thirty".