102402349 has 4 divisors (see below), whose sum is σ = 117031264. Its totient is φ = 87773436.

The previous prime is 102402341. The next prime is 102402353. The reversal of 102402349 is 943204201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 943204201 = 809 ⋅1165889.

It is a cyclic number.

It is not a de Polignac number, because 102402349 - 2³ = 102402341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102402341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7314447 + ... + 7314460.

It is an arithmetic number, because the mean of its divisors is an integer number (29257816).

Almost surely, 2^102402349 is an apocalyptic number.

It is an amenable number.

102402349 is a deficient number, since it is larger than the sum of its proper divisors (14628915).

102402349 is an equidigital number, since it uses as much as digits as its factorization.

102402349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14628914.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 102402349 is about 10119.4045773454. The cubic root of 102402349 is about 467.8464154397.

The spelling of 102402349 in words is "one hundred two million, four hundred two thousand, three hundred forty-nine".