102669425 has 12 divisors (see below), whose sum is σ = 131701020. Its totient is φ = 79302720.

The previous prime is 102669419. The next prime is 102669433. The reversal of 102669425 is 524966201.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 2849344 + 99820081 = 1688^2 + 9991^2 .

It is not a de Polignac number, because 102669425 - 2¹⁶ = 102603889 is a prime.

It is a super-4 number, since 4×102669425⁴ (a number of 33 digits) contains 4444 as substring.

It is a Curzon 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, 70082 + ... + 71531.

It is an arithmetic number, because the mean of its divisors is an integer number (10975085).

Almost surely, 2^102669425 is an apocalyptic number.

It is an amenable number.

102669425 is a deficient number, since it is larger than the sum of its proper divisors (29031595).

102669425 is a wasteful number, since it uses less digits than its factorization.

102669425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141652 (or 141647 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 102669425 is about 10132.5922152231. The cubic root of 102669425 is about 468.2527930914.

It can be divided in two parts, 10266 and 9425, that added together give a palindrome (19691).

The spelling of 102669425 in words is "one hundred two million, six hundred sixty-nine thousand, four hundred twenty-five".