1010402002 has 8 divisors (see below), whose sum is σ = 1524364236. Its totient is φ = 502280592.

The previous prime is 1010401999. The next prime is 1010402011. The reversal of 1010402002 is 2002040101.

It can be written as a sum of positive squares in 2 ways, for example, as 711769041 + 298632961 = 26679^2 + 17281^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1010402002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1459773 + ... + 1460464.

Almost surely, 2^1010402002 is an apocalyptic number.

1010402002 is a deficient number, since it is larger than the sum of its proper divisors (513962234).

1010402002 is a wasteful number, since it uses less digits than its factorization.

1010402002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2920412.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 1010402002 is about 31786.8211999879. The cubic root of 1010402002 is about 1003.4553805929.

Adding to 1010402002 its reverse (2002040101), we get a palindrome (3012442103).

The spelling of 1010402002 in words is "one billion, ten million, four hundred two thousand, two".