1256150 has 48 divisors (see below), whose sum is σ = 2770656. Its totient is φ = 414720.

The previous prime is 1256149. The next prime is 1256161. The reversal of 1256150 is 516521.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 12902 + ... + 12998.

It is an arithmetic number, because the mean of its divisors is an integer number (57722).

2^1256150 is an apocalyptic number.

1256150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1256150 is an abundant number, since it is smaller than the sum of its proper divisors (1514506).

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

1256150 is a wasteful number, since it uses less digits than its factorization.

1256150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 1256150 is about 1120.7809777115. The cubic root of 1256150 is about 107.8981092071.

The spelling of 1256150 in words is "one million, two hundred fifty-six thousand, one hundred fifty".