1253830 has 8 divisors (see below), whose sum is σ = 2256912. Its totient is φ = 501528.

The previous prime is 1253803. The next prime is 1253831. The reversal of 1253830 is 383521.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62682 + ... + 62701.

It is an arithmetic number, because the mean of its divisors is an integer number (282114).

2^1253830 is an apocalyptic number.

1253830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1253830 is a deficient number, since it is larger than the sum of its proper divisors (1003082).

1253830 is a wasteful number, since it uses less digits than its factorization.

1253830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125390.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1253830 is about 1119.7455068005. The cubic root of 1253830 is about 107.8316421238.

The spelling of 1253830 in words is "one million, two hundred fifty-three thousand, eight hundred thirty".