102402214 has 4 divisors (see below), whose sum is σ = 153603324. Its totient is φ = 51201106.

The previous prime is 102402211. The next prime is 102402257. The reversal of 102402214 is 412204201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 412204201 = 41 ⋅10053761.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102402211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25600552 + ... + 25600555.

It is an arithmetic number, because the mean of its divisors is an integer number (38400831).

Almost surely, 2^102402214 is an apocalyptic number.

102402214 is a deficient number, since it is larger than the sum of its proper divisors (51201110).

102402214 is an equidigital number, since it uses as much as digits as its factorization.

102402214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51201109.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 102402214 is about 10119.3979069903. The cubic root of 102402214 is about 467.8462098477.

Adding to 102402214 its reverse (412204201), we get a palindrome (514606415).

The spelling of 102402214 in words is "one hundred two million, four hundred two thousand, two hundred fourteen".