1020061003 has 8 divisors (see below), whose sum is σ = 1105902000. Its totient is φ = 935273568.

The previous prime is 1020061001. The next prime is 1020061027. The reversal of 1020061003 is 3001600201.

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 1020061003 - 2¹ = 1020061001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020061001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261373 + ... + 265246.

It is an arithmetic number, because the mean of its divisors is an integer number (138237750).

Almost surely, 2^1020061003 is an apocalyptic number.

1020061003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1020061003 is a deficient number, since it is larger than the sum of its proper divisors (85840997).

1020061003 is a wasteful number, since it uses less digits than its factorization.

1020061003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526781.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1020061003 is about 31938.3938700743. The cubic root of 1020061003 is about 1006.6427768088.

Adding to 1020061003 its reverse (3001600201), we get a palindrome (4021661204).

The spelling of 1020061003 in words is "one billion, twenty million, sixty-one thousand, three".