1021060402 has 4 divisors (see below), whose sum is σ = 1531590606. Its totient is φ = 510530200.

The previous prime is 1021060379. The next prime is 1021060451. The reversal of 1021060402 is 2040601201.

1021060402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 692689761 + 328370641 = 26319^2 + 18121^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255265099 + ... + 255265102.

Almost surely, 2^1021060402 is an apocalyptic number.

1021060402 is a deficient number, since it is larger than the sum of its proper divisors (510530204).

1021060402 is an equidigital number, since it uses as much as digits as its factorization.

1021060402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510530203.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1021060402 is about 31954.0357701496. The cubic root of 1021060402 is about 1006.9714203595.

Adding to 1021060402 its reverse (2040601201), we get a palindrome (3061661603).

The spelling of 1021060402 in words is "one billion, twenty-one million, sixty thousand, four hundred two".