1020154441 has 8 divisors (see below), whose sum is σ = 1094109120. Its totient is φ = 948226032.

The previous prime is 1020154393. The next prime is 1020154459. The reversal of 1020154441 is 1444510201.

1020154441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 1020154441 - 2⁷ = 1020154313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020154841) 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, 505525 + ... + 507538.

It is an arithmetic number, because the mean of its divisors is an integer number (136763640).

Almost surely, 2^1020154441 is an apocalyptic number.

It is an amenable number.

1020154441 is a deficient number, since it is larger than the sum of its proper divisors (73954679).

1020154441 is a wasteful number, since it uses less digits than its factorization.

1020154441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013135.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 1020154441 is about 31939.8566214690. The cubic root of 1020154441 is about 1006.6735121654.

Adding to 1020154441 its reverse (1444510201), we get a palindrome (2464664642).

The spelling of 1020154441 in words is "one billion, twenty million, one hundred fifty-four thousand, four hundred forty-one".