1020002541 has 8 divisors (see below), whose sum is σ = 1360153344. Its totient is φ = 679926720.

The previous prime is 1020002519. The next prime is 1020002563. The reversal of 1020002541 is 1452000201.

It is an interprime number because it is at equal distance from previous prime (1020002519) and next prime (1020002563).

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

It is not a de Polignac number, because 1020002541 - 2¹⁰ = 1020001517 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1020002541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020002041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35076 + ... + 57186.

It is an arithmetic number, because the mean of its divisors is an integer number (170019168).

Almost surely, 2^1020002541 is an apocalyptic number.

It is an amenable number.

1020002541 is a deficient number, since it is larger than the sum of its proper divisors (340150803).

1020002541 is a wasteful number, since it uses less digits than its factorization.

1020002541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37491.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 1020002541 is about 31937.4786262159. The cubic root of 1020002541 is about 1006.6235454510.

Adding to 1020002541 its reverse (1452000201), we get a palindrome (2472002742).

The spelling of 1020002541 in words is "one billion, twenty million, two thousand, five hundred forty-one".