1601015 has 8 divisors (see below), whose sum is σ = 2069088. Its totient is φ = 1182240.

The previous prime is 1600993. The next prime is 1601023. The reversal of 1601015 is 5101061.

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

It is not a de Polignac number, because 1601015 - 2¹⁸ = 1338871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12251 + ... + 12380.

It is an arithmetic number, because the mean of its divisors is an integer number (258636).

2^1601015 is an apocalyptic number.

1601015 is a deficient number, since it is larger than the sum of its proper divisors (468073).

1601015 is a wasteful number, since it uses less digits than its factorization.

1601015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24649.

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 1601015 is about 1265.3122144356. The cubic root of 1601015 is about 116.9854366172.

Adding to 1601015 its reverse (5101061), we get a palindrome (6702076).

The spelling of 1601015 in words is "one million, six hundred one thousand, fifteen".