102408742 has 16 divisors (see below), whose sum is σ = 161263872. Its totient is φ = 48681160.

The previous prime is 102408739. The next prime is 102408769. The reversal of 102408742 is 247804201.

It is a self number, because there is not a number n which added to its sum of digits gives 102408742.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 1017 + ... + 14347.

It is an arithmetic number, because the mean of its divisors is an integer number (10078992).

Almost surely, 2^102408742 is an apocalyptic number.

102408742 is a deficient number, since it is larger than the sum of its proper divisors (58855130).

102408742 is a wasteful number, since it uses less digits than its factorization.

102408742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13523.

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 102408742 is about 10119.7204506844. The cubic root of 102408742 is about 467.8561511535.

The spelling of 102408742 in words is "one hundred two million, four hundred eight thousand, seven hundred forty-two".