1006154 has 4 divisors (see below), whose sum is σ = 1509234. Its totient is φ = 503076.

The previous prime is 1006153. The next prime is 1006163. The reversal of 1006154 is 4516001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 990025 + 16129 = 995^2 + 127^2 .

It is not an unprimeable number, because it can be changed into a prime (1006151) 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 as a sum of consecutive naturals, namely, 251537 + ... + 251540.

2^1006154 is an apocalyptic number.

1006154 is a deficient number, since it is larger than the sum of its proper divisors (503080).

1006154 is an equidigital number, since it uses as much as digits as its factorization.

1006154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503079.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1006154 is about 1003.0722805461. The cubic root of 1006154 is about 100.2047139693.

The spelling of 1006154 in words is "one million, six thousand, one hundred fifty-four".