102056403 has 8 divisors (see below), whose sum is σ = 136191888. Its totient is φ = 67979264.

The previous prime is 102056401. The next prime is 102056431. The reversal of 102056403 is 304650201.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 102056403 - 2¹ = 102056401 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102056403.

It is not an unprimeable number, because it can be changed into a prime (102056401) 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, 10326 + ... + 17627.

It is an arithmetic number, because the mean of its divisors is an integer number (17023986).

Almost surely, 2^102056403 is an apocalyptic number.

102056403 is a deficient number, since it is larger than the sum of its proper divisors (34135485).

102056403 is a wasteful number, since it uses less digits than its factorization.

102056403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29173.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 102056403 is about 10102.2969170382. The cubic root of 102056403 is about 467.3189789783.

The spelling of 102056403 in words is "one hundred two million, fifty-six thousand, four hundred three".