102251124 has 36 divisors (see below), whose sum is σ = 273673764. Its totient is φ = 32078592.

The previous prime is 102251081. The next prime is 102251137. The reversal of 102251124 is 421152201.

It can be written as a sum of positive squares in 2 ways, for example, as 32695524 + 69555600 = 5718^2 + 8340^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 102251097 and 102251106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82927 + ... + 84150.

It is an arithmetic number, because the mean of its divisors is an integer number (7602049).

Almost surely, 2^102251124 is an apocalyptic number.

It is an amenable number.

102251124 is an abundant number, since it is smaller than the sum of its proper divisors (171422640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102251124 is a wasteful number, since it uses less digits than its factorization.

102251124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167104 (or 167099 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 102251124 is about 10111.9297861486. The cubic root of 102251124 is about 467.6160010311.

The spelling of 102251124 in words is "one hundred two million, two hundred fifty-one thousand, one hundred twenty-four".