102403120401 has 8 divisors (see below), whose sum is σ = 151708326560. Its totient is φ = 68268746916.

The previous prime is 102403120397. The next prime is 102403120427. The reversal of 102403120401 is 104021304201.

102403120401 is a `hidden beast` number, since 1 + 0 + 240 + 3 + 1 + 20 + 401 = 666.

It is not a de Polignac number, because 102403120401 - 2² = 102403120397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102403120301) 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, 1896354055 + ... + 1896354108.

It is an arithmetic number, because the mean of its divisors is an integer number (18963540820).

Almost surely, 2^102403120401 is an apocalyptic number.

It is an amenable number.

102403120401 is a deficient number, since it is larger than the sum of its proper divisors (49305206159).

102403120401 is an equidigital number, since it uses as much as digits as its factorization.

102403120401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3792708172 (or 3792708166 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 102403120401 its reverse (104021304201), we get a palindrome (206424424602).

The spelling of 102403120401 in words is "one hundred two billion, four hundred three million, one hundred twenty thousand, four hundred one".