1253955 has 8 divisors (see below), whose sum is σ = 2006352. Its totient is φ = 668768.

The previous prime is 1253953. The next prime is 1253963. The reversal of 1253955 is 5593521.

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

It is a cyclic number.

It is not a de Polignac number, because 1253955 - 2¹ = 1253953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1253951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41784 + ... + 41813.

It is an arithmetic number, because the mean of its divisors is an integer number (250794).

2^1253955 is an apocalyptic number.

1253955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1253955 is a deficient number, since it is larger than the sum of its proper divisors (752397).

1253955 is an equidigital number, since it uses as much as digits as its factorization.

1253955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83605.

The product of its digits is 6750, while the sum is 30.

The square root of 1253955 is about 1119.8013216638. The cubic root of 1253955 is about 107.8352254132.

The spelling of 1253955 in words is "one million, two hundred fifty-three thousand, nine hundred fifty-five".