103002021 has 12 divisors (see below), whose sum is σ = 156611520. Its totient is φ = 65053800.

The previous prime is 103002019. The next prime is 103002037. The reversal of 103002021 is 120200301.

It is a happy number.

It is not a de Polignac number, because 103002021 - 2¹ = 103002019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 103001994 and 103002012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103002091) 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, 301005 + ... + 301346.

It is an arithmetic number, because the mean of its divisors is an integer number (13050960).

Almost surely, 2^103002021 is an apocalyptic number.

It is an amenable number.

103002021 is a deficient number, since it is larger than the sum of its proper divisors (53609499).

103002021 is a wasteful number, since it uses less digits than its factorization.

103002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602376 (or 602373 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 103002021 is about 10148.9911321274. The cubic root of 103002021 is about 468.7578806142.

Adding to 103002021 its reverse (120200301), we get a palindrome (223202322).

It can be divided in two parts, 10300 and 2021, that added together give a palindrome (12321).

The spelling of 103002021 in words is "one hundred three million, two thousand, twenty-one".