1601055 has 24 divisors (see below), whose sum is σ = 2837952. Its totient is φ = 834624.

The previous prime is 1601051. The next prime is 1601059. The reversal of 1601055 is 5501061.

It is an interprime number because it is at equal distance from previous prime (1601051) and next prime (1601059).

It is not a de Polignac number, because 1601055 - 2² = 1601051 is a prime.

It is a super-2 number, since 2×1601055² = 5126754226050, which contains 22 as substring.

1601055 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1601051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1737 + ... + 2493.

It is an arithmetic number, because the mean of its divisors is an integer number (118248).

2^1601055 is an apocalyptic number.

1601055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1601055 is a deficient number, since it is larger than the sum of its proper divisors (1236897).

1601055 is a wasteful number, since it uses less digits than its factorization.

1601055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815 (or 812 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 1601055 is about 1265.3280207124. The cubic root of 1601055 is about 116.9864108697.

The spelling of 1601055 in words is "one million, six hundred one thousand, fifty-five".