102428378601 has 8 divisors (see below), whose sum is σ = 139147986240. Its totient is φ = 66997178352.

The previous prime is 102428378599. The next prime is 102428378659. The reversal of 102428378601 is 106873824201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102428378601 - 2¹ = 102428378599 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102428378671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 322101661 + ... + 322101978.

It is an arithmetic number, because the mean of its divisors is an integer number (17393498280).

Almost surely, 2^102428378601 is an apocalyptic number.

It is an amenable number.

102428378601 is a deficient number, since it is larger than the sum of its proper divisors (36719607639).

102428378601 is an equidigital number, since it uses as much as digits as its factorization.

102428378601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644203695.

The product of its (nonzero) digits is 129024, while the sum is 42.

The spelling of 102428378601 in words is "one hundred two billion, four hundred twenty-eight million, three hundred seventy-eight thousand, six hundred one".