1601240003 has 16 divisors (see below), whose sum is σ = 1767260160. Its totient is φ = 1438718400.

The previous prime is 1601239963. The next prime is 1601240021. The reversal of 1601240003 is 3000421061.

It is a cyclic number.

It is not a de Polignac number, because 1601240003 - 2¹⁰ = 1601238979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1601240023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 390518 + ... + 394596.

It is an arithmetic number, because the mean of its divisors is an integer number (110453760).

Almost surely, 2^1601240003 is an apocalyptic number.

1601240003 is a deficient number, since it is larger than the sum of its proper divisors (166020157).

1601240003 is a wasteful number, since it uses less digits than its factorization.

1601240003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4498.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1601240003 is about 40015.4970355236. The cubic root of 1601240003 is about 1169.9091664939.

Adding to 1601240003 its reverse (3000421061), we get a palindrome (4601661064).

The spelling of 1601240003 in words is "one billion, six hundred one million, two hundred forty thousand, three".