1255154 has 8 divisors (see below), whose sum is σ = 1890540. Its totient is φ = 624976.

The previous prime is 1255153. The next prime is 1255157. The reversal of 1255154 is 4515521.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1113025 + 142129 = 1055^2 + 377^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1255153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 629 + ... + 1704.

2^1255154 is an apocalyptic number.

1255154 is a deficient number, since it is larger than the sum of its proper divisors (635386).

1255154 is a wasteful number, since it uses less digits than its factorization.

1255154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2604.

The product of its digits is 1000, while the sum is 23.

The square root of 1255154 is about 1120.3365565757. The cubic root of 1255154 is about 107.8695842346.

The spelling of 1255154 in words is "one million, two hundred fifty-five thousand, one hundred fifty-four".