102624121 has 4 divisors (see below), whose sum is σ = 108660852. Its totient is φ = 96587392.

The previous prime is 102624113. The next prime is 102624133. The reversal of 102624121 is 121426201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 38303721 + 64320400 = 6189^2 + 8020^2 .

It is a cyclic number.

It is not a de Polignac number, because 102624121 - 2³ = 102624113 is a prime.

It is a super-2 number, since 2×102624121² = 21063420422045282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102624521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3018340 + ... + 3018373.

It is an arithmetic number, because the mean of its divisors is an integer number (27165213).

Almost surely, 2^102624121 is an apocalyptic number.

It is an amenable number.

102624121 is a deficient number, since it is larger than the sum of its proper divisors (6036731).

102624121 is an equidigital number, since it uses as much as digits as its factorization.

102624121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6036730.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 102624121 is about 10130.3564103145. The cubic root of 102624121 is about 468.1839090799.

The spelling of 102624121 in words is "one hundred two million, six hundred twenty-four thousand, one hundred twenty-one".