1250385 has 16 divisors (see below), whose sum is σ = 2065920. Its totient is φ = 645120.

The previous prime is 1250357. The next prime is 1250407. The reversal of 1250385 is 5830521.

It is not a de Polignac number, because 1250385 - 2⁹ = 1249873 is a prime.

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

1250385 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 880 + ... + 1809.

It is an arithmetic number, because the mean of its divisors is an integer number (129120).

2^1250385 is an apocalyptic number.

1250385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1250385 is a deficient number, since it is larger than the sum of its proper divisors (815535).

1250385 is a wasteful number, since it uses less digits than its factorization.

1250385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2728.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1250385 is about 1118.2061527286. The cubic root of 1250385 is about 107.7327927978.

The spelling of 1250385 in words is "one million, two hundred fifty thousand, three hundred eighty-five".