102669530 has 16 divisors (see below), whose sum is σ = 186636744. Its totient is φ = 40660800.

The previous prime is 102669517. The next prime is 102669557. The reversal of 102669530 is 35966201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 100380361 + 2289169 = 10019^2 + 1513^2 .

It is a super-4 number, since 4×102669530⁴ (a number of 33 digits) contains 4444 as substring.

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, 49817 + ... + 51836.

Almost surely, 2^102669530 is an apocalyptic number.

102669530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102669530 is a deficient number, since it is larger than the sum of its proper divisors (83967214).

102669530 is a wasteful number, since it uses less digits than its factorization.

102669530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101761.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 102669530 is about 10132.5973965218. The cubic root of 102669530 is about 468.2529527187.

The spelling of 102669530 in words is "one hundred two million, six hundred sixty-nine thousand, five hundred thirty".