102402234 has 24 divisors (see below), whose sum is σ = 242042112. Its totient is φ = 31030920.

The previous prime is 102402211. The next prime is 102402257. The reversal of 102402234 is 432204201.

It is an interprime number because it is at equal distance from previous prime (102402211) and next prime (102402257).

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 258394 + ... + 258789.

It is an arithmetic number, because the mean of its divisors is an integer number (10085088).

Almost surely, 2^102402234 is an apocalyptic number.

102402234 is an abundant number, since it is smaller than the sum of its proper divisors (139639878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102402234 is a wasteful number, since it uses less digits than its factorization.

102402234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517202 (or 517199 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 102402234 is about 10119.3988951914. The cubic root of 102402234 is about 467.8462403058.

Adding to 102402234 its reverse (432204201), we get a palindrome (534606435).

The spelling of 102402234 in words is "one hundred two million, four hundred two thousand, two hundred thirty-four".