102401439003 has 32 divisors (see below), whose sum is σ = 161254912320. Its totient is φ = 64001802240.

The previous prime is 102401439001. The next prime is 102401439031. The reversal of 102401439003 is 300934104201.

It is not a de Polignac number, because 102401439003 - 2¹ = 102401439001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (102401439001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 316078 + ... + 552003.

It is an arithmetic number, because the mean of its divisors is an integer number (5039216010).

Almost surely, 2^102401439003 is an apocalyptic number.

102401439003 is a deficient number, since it is larger than the sum of its proper divisors (58853473317).

102401439003 is a wasteful number, since it uses less digits than its factorization.

102401439003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868364 (or 868358 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The spelling of 102401439003 in words is "one hundred two billion, four hundred one million, four hundred thirty-nine thousand, three".