1251130 has 8 divisors (see below), whose sum is σ = 2252052. Its totient is φ = 500448.

The previous prime is 1251121. The next prime is 1251157. The reversal of 1251130 is 311521.

It can be written as a sum of positive squares in 2 ways, for example, as 1067089 + 184041 = 1033^2 + 429^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1251130.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62547 + ... + 62566.

2^1251130 is an apocalyptic number.

1251130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1251130 is a deficient number, since it is larger than the sum of its proper divisors (1000922).

1251130 is a wasteful number, since it uses less digits than its factorization.

1251130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125120.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 1251130 is about 1118.5392259550. The cubic root of 1251130 is about 107.7541848745.

Adding to 1251130 its reverse (311521), we get a palindrome (1562651).

The spelling of 1251130 in words is "one million, two hundred fifty-one thousand, one hundred thirty".