1041020402 has 4 divisors (see below), whose sum is σ = 1561530606. Its totient is φ = 520510200.

The previous prime is 1041020399. The next prime is 1041020413. The reversal of 1041020402 is 2040201401.

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., 886788841 + 154231561 = 29779^2 + 12419^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 260255099 + ... + 260255102.

Almost surely, 2^1041020402 is an apocalyptic number.

1041020402 is a deficient number, since it is larger than the sum of its proper divisors (520510204).

1041020402 is an equidigital number, since it uses as much as digits as its factorization.

1041020402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520510203.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 1041020402 is about 32264.8477758690. The cubic root of 1041020402 is about 1013.4906512401.

Adding to 1041020402 its reverse (2040201401), we get a palindrome (3081221803).

The spelling of 1041020402 in words is "one billion, forty-one million, twenty thousand, four hundred two".