102719004 has 12 divisors (see below), whose sum is σ = 239677704. Its totient is φ = 34239664.

The previous prime is 102719003. The next prime is 102719011. The reversal of 102719004 is 400917201.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102719003) 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, 4279947 + ... + 4279970.

It is an arithmetic number, because the mean of its divisors is an integer number (19973142).

Almost surely, 2^102719004 is an apocalyptic number.

It is an amenable number.

102719004 is an abundant number, since it is smaller than the sum of its proper divisors (136958700).

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

102719004 is a wasteful number, since it uses less digits than its factorization.

102719004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8559924 (or 8559922 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 102719004 is about 10135.0384311062. The cubic root of 102719004 is about 468.3281539541.

The spelling of 102719004 in words is "one hundred two million, seven hundred nineteen thousand, four".