102066724 has 12 divisors (see below), whose sum is σ = 179046000. Its totient is φ = 50910728.

The previous prime is 102066719. The next prime is 102066739. The reversal of 102066724 is 427660201.

It is a super-2 number, since 2×102066724² = 20835232296184352, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102066692 and 102066701.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28774 + ... + 32125.

It is an arithmetic number, because the mean of its divisors is an integer number (14920500).

Almost surely, 2^102066724 is an apocalyptic number.

It is an amenable number.

102066724 is a deficient number, since it is larger than the sum of its proper divisors (76979276).

102066724 is a wasteful number, since it uses less digits than its factorization.

102066724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61322 (or 61320 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 102066724 is about 10102.8077285475. The cubic root of 102066724 is about 467.3347318249.

The spelling of 102066724 in words is "one hundred two million, sixty-six thousand, seven hundred twenty-four".