1251130210 has 64 divisors (see below), whose sum is σ = 2558335104. Its totient is φ = 436492800.

The previous prime is 1251130201. The next prime is 1251130273. The reversal of 1251130210 is 120311521.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 295005 + ... + 299215.

It is an arithmetic number, because the mean of its divisors is an integer number (39973986).

Almost surely, 2^1251130210 is an apocalyptic number.

1251130210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1251130210 is an abundant number, since it is smaller than the sum of its proper divisors (1307204894).

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

1251130210 is a wasteful number, since it uses less digits than its factorization.

1251130210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4339.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 1251130210 is about 35371.3190311020. The cubic root of 1251130210 is about 1077.5419090329.

Adding to 1251130210 its reverse (120311521), we get a palindrome (1371441731).

The spelling of 1251130210 in words is "one billion, two hundred fifty-one million, one hundred thirty thousand, two hundred ten".