1601146 has 4 divisors (see below), whose sum is σ = 2401722. Its totient is φ = 800572.

The previous prime is 1601137. The next prime is 1601147. The reversal of 1601146 is 6411061.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6411061 = 2213 ⋅2897.

It can be written as a sum of positive squares in only one way, i.e., 1590121 + 11025 = 1261^2 + 105^2 .

It is not an unprimeable number, because it can be changed into a prime (1601147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400285 + ... + 400288.

2^1601146 is an apocalyptic number.

1601146 is a deficient number, since it is larger than the sum of its proper divisors (800576).

1601146 is an equidigital number, since it uses as much as digits as its factorization.

1601146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800575.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1601146 is about 1265.3639792566. The cubic root of 1601146 is about 116.9886272336.

The spelling of 1601146 in words is "one million, six hundred one thousand, one hundred forty-six".