1601151 has 8 divisors (see below), whose sum is σ = 2141184. Its totient is φ = 1064280.

The previous prime is 1601147. The next prime is 1601161. The reversal of 1601151 is 1511061.

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

It is not a de Polignac number, because 1601151 - 2² = 1601147 is a prime.

1601151 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1601151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1601161) 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, 930 + ... + 2016.

It is an arithmetic number, because the mean of its divisors is an integer number (267648).

2^1601151 is an apocalyptic number.

1601151 is a deficient number, since it is larger than the sum of its proper divisors (540033).

1601151 is a wasteful number, since it uses less digits than its factorization.

1601151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1581.

The product of its (nonzero) digits is 30, while the sum is 15.

The square root of 1601151 is about 1265.3659549711. The cubic root of 1601151 is about 116.9887490094.

The spelling of 1601151 in words is "one million, six hundred one thousand, one hundred fifty-one".