1020403225 has 12 divisors (see below), whose sum is σ = 1266625404. Its totient is φ = 815467520.

The previous prime is 1020403213. The next prime is 1020403231. The reversal of 1020403225 is 5223040201.

1020403225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 4260096 + 1016143129 = 2064^2 + 31877^2 .

It is not a de Polignac number, because 1020403225 - 2¹⁵ = 1020370457 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3537 + ... + 45313.

It is an arithmetic number, because the mean of its divisors is an integer number (105552117).

Almost surely, 2^1020403225 is an apocalyptic number.

It is an amenable number.

1020403225 is a deficient number, since it is larger than the sum of its proper divisors (246222179).

1020403225 is an equidigital number, since it uses as much as digits as its factorization.

1020403225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42764 (or 42759 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 1020403225 is about 31943.7509538251. The cubic root of 1020403225 is about 1006.7553376542.

Adding to 1020403225 its reverse (5223040201), we get a palindrome (6243443426).

The spelling of 1020403225 in words is "one billion, twenty million, four hundred three thousand, two hundred twenty-five".