102430237 has 18 divisors (see below), whose sum is σ = 128639994. Its totient is φ = 80841600.

The previous prime is 102430187. The next prime is 102430241. The reversal of 102430237 is 732034201.

It can be written as a sum of positive squares in 3 ways, for example, as 61136761 + 41293476 = 7819^2 + 6426^2 .

It is not a de Polignac number, because 102430237 - 2¹⁵ = 102397469 is a prime.

It is a super-4 number, since 4×102430237⁴ (a number of 33 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102430277) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 255237 + ... + 255637.

Almost surely, 2^102430237 is an apocalyptic number.

It is an amenable number.

102430237 is a deficient number, since it is larger than the sum of its proper divisors (26209757).

102430237 is an frugal number, since it uses more digits than its factorization.

102430237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829 (or 421 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 102430237 is about 10120.7824302274. The cubic root of 102430237 is about 467.8888822929. Note that the first 5 decimals are identical.

Adding to 102430237 its reverse (732034201), we get a palindrome (834464438).

The spelling of 102430237 in words is "one hundred two million, four hundred thirty thousand, two hundred thirty-seven".