102739224 has 32 divisors (see below), whose sum is σ = 293541120. Its totient is φ = 29354016.

The previous prime is 102739163. The next prime is 102739271. The reversal of 102739224 is 422937201.

It is a super-3 number, since 3×102739224³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102739191 and 102739200.

It is a congruent number.

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, 305604 + ... + 305939.

It is an arithmetic number, because the mean of its divisors is an integer number (9173160).

Almost surely, 2^102739224 is an apocalyptic number.

102739224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

102739224 is an abundant number, since it is smaller than the sum of its proper divisors (190801896).

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

102739224 is a wasteful number, since it uses less digits than its factorization.

102739224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611559 (or 611555 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 102739224 is about 10136.0359115386. The cubic root of 102739224 is about 468.3588817117.

The spelling of 102739224 in words is "one hundred two million, seven hundred thirty-nine thousand, two hundred twenty-four".