102126870002 has 4 divisors (see below), whose sum is σ = 153190305006. Its totient is φ = 51063435000.

The previous prime is 102126869989. The next prime is 102126870017. The reversal of 102126870002 is 200078621201.

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., 88042164961 + 14084705041 = 296719^2 + 118679^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25531717499 + ... + 25531717502.

Almost surely, 2^102126870002 is an apocalyptic number.

102126870002 is a deficient number, since it is larger than the sum of its proper divisors (51063435004).

102126870002 is an equidigital number, since it uses as much as digits as its factorization.

102126870002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51063435003.

The product of its (nonzero) digits is 2688, while the sum is 29.

The spelling of 102126870002 in words is "one hundred two billion, one hundred twenty-six million, eight hundred seventy thousand, two".