1501020441 has 12 divisors (see below), whose sum is σ = 2168497968. Its totient is φ = 1000515384.

The previous prime is 1501020439. The next prime is 1501020449. The reversal of 1501020441 is 1440201051.

It is not a de Polignac number, because 1501020441 - 2¹ = 1501020439 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1501020449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72166 + ... + 90608.

It is an arithmetic number, because the mean of its divisors is an integer number (180708164).

Almost surely, 2^1501020441 is an apocalyptic number.

It is an amenable number.

1501020441 is a deficient number, since it is larger than the sum of its proper divisors (667477527).

1501020441 is a wasteful number, since it uses less digits than its factorization.

1501020441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27492 (or 27489 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 1501020441 is about 38743.0050589781. The cubic root of 1501020441 is about 1144.9737644555.

Adding to 1501020441 its reverse (1440201051), we get a palindrome (2941221492).

The spelling of 1501020441 in words is "one billion, five hundred one million, twenty thousand, four hundred forty-one".