102930494 has 4 divisors (see below), whose sum is σ = 154395744. Its totient is φ = 51465246.

The previous prime is 102930491. The next prime is 102930521. The reversal of 102930494 is 494039201.

It is a happy number.

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

It is a super-3 number, since 3×102930494³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102930494.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102930491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25732622 + ... + 25732625.

It is an arithmetic number, because the mean of its divisors is an integer number (38598936).

Almost surely, 2^102930494 is an apocalyptic number.

102930494 is a deficient number, since it is larger than the sum of its proper divisors (51465250).

102930494 is an equidigital number, since it uses as much as digits as its factorization.

102930494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51465249.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 102930494 is about 10145.4666723616. The cubic root of 102930494 is about 468.6493500285.

Adding to 102930494 its reverse (494039201), we get a palindrome (596969695).

The spelling of 102930494 in words is "one hundred two million, nine hundred thirty thousand, four hundred ninety-four".