102124774028 has 24 divisors (see below), whose sum is σ = 186015330480. Its totient is φ = 48999142080.

The previous prime is 102124773997. The next prime is 102124774079. The reversal of 102124774028 is 820477421201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 102124773982 and 102124774000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2681663 + ... + 2719478.

It is an arithmetic number, because the mean of its divisors is an integer number (7750638770).

Almost surely, 2^102124774028 is an apocalyptic number.

It is an amenable number.

102124774028 is a deficient number, since it is larger than the sum of its proper divisors (83890556452).

102124774028 is a wasteful number, since it uses less digits than its factorization.

102124774028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5401337 (or 5401335 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 38.

The spelling of 102124774028 in words is "one hundred two billion, one hundred twenty-four million, seven hundred seventy-four thousand, twenty-eight".