1254605 has 8 divisors (see below), whose sum is σ = 1642464. Its totient is φ = 912400.

The previous prime is 1254593. The next prime is 1254607. The reversal of 1254605 is 5064521.

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

It is not a de Polignac number, because 1254605 - 2⁶ = 1254541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1254607) 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, 11351 + ... + 11460.

It is an arithmetic number, because the mean of its divisors is an integer number (205308).

2^1254605 is an apocalyptic number.

It is an amenable number.

1254605 is a deficient number, since it is larger than the sum of its proper divisors (387859).

1254605 is a wasteful number, since it uses less digits than its factorization.

1254605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22827.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1254605 is about 1120.0915141184. The cubic root of 1254605 is about 107.8538546806.

The spelling of 1254605 in words is "one million, two hundred fifty-four thousand, six hundred five".