1250505 has 32 divisors (see below), whose sum is σ = 2275200. Its totient is φ = 651456.

The previous prime is 1250497. The next prime is 1250507. The reversal of 1250505 is 5050521.

It is not a de Polignac number, because 1250505 - 2³ = 1250497 is a prime.

It is an alternating number because its digits alternate between odd and even.

1250505 is a modest number, since divided by 505 gives 125 as remainder.

It is not an unprimeable number, because it can be changed into a prime (1250507) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7887 + ... + 8043.

It is an arithmetic number, because the mean of its divisors is an integer number (71100).

2^1250505 is an apocalyptic number.

1250505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1250505 is a deficient number, since it is larger than the sum of its proper divisors (1024695).

1250505 is a wasteful number, since it uses less digits than its factorization.

1250505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230 (or 224 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 18.

The square root of 1250505 is about 1118.2598088101. The cubic root of 1250505 is about 107.7362390754.

The spelling of 1250505 in words is "one million, two hundred fifty thousand, five hundred five".