1020652403 has 2 divisors, whose sum is σ = 1020652404. Its totient is φ = 1020652402.

The previous prime is 1020652357. The next prime is 1020652417. The reversal of 1020652403 is 3042560201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1020652403 - 2⁸ = 1020652147 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1020652433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510326201 + 510326202.

It is an arithmetic number, because the mean of its divisors is an integer number (510326202).

Almost surely, 2^1020652403 is an apocalyptic number.

1020652403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020652403 is an equidigital number, since it uses as much as digits as its factorization.

1020652403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1020652403 is about 31947.6509778106. The cubic root of 1020652403 is about 1006.8372793998.

The spelling of 1020652403 in words is "one billion, twenty million, six hundred fifty-two thousand, four hundred three".