1020415541 has 16 divisors (see below), whose sum is σ = 1045524480. Its totient is φ = 995736240.

The previous prime is 1020415523. The next prime is 1020415553. The reversal of 1020415541 is 1455140201.

It is a cyclic number.

It is not a de Polignac number, because 1020415541 - 2¹⁴ = 1020399157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020415841) 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, 3765236 + ... + 3765506.

It is an arithmetic number, because the mean of its divisors is an integer number (65345280).

Almost surely, 2^1020415541 is an apocalyptic number.

It is an amenable number.

1020415541 is a deficient number, since it is larger than the sum of its proper divisors (25108939).

1020415541 is a wasteful number, since it uses less digits than its factorization.

1020415541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 1020415541 is about 31943.9437296023. The cubic root of 1020415541 is about 1006.7593880624.

Adding to 1020415541 its reverse (1455140201), we get a palindrome (2475555742).

The spelling of 1020415541 in words is "one billion, twenty million, four hundred fifteen thousand, five hundred forty-one".