102049108402 has 8 divisors (see below), whose sum is σ = 153438994800. Its totient is φ = 50902776804.

The previous prime is 102049108373. The next prime is 102049108409. The reversal of 102049108402 is 204801940201.

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

It is not an unprimeable number, because it can be changed into a prime (102049108409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60887652 + ... + 60889327.

It is an arithmetic number, because the mean of its divisors is an integer number (19179874350).

Almost surely, 2^102049108402 is an apocalyptic number.

102049108402 is a deficient number, since it is larger than the sum of its proper divisors (51389886398).

102049108402 is a wasteful number, since it uses less digits than its factorization.

102049108402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121777400.

The product of its (nonzero) digits is 4608, while the sum is 31.

The spelling of 102049108402 in words is "one hundred two billion, forty-nine million, one hundred eight thousand, four hundred two".