102100403 has 8 divisors (see below), whose sum is σ = 104466240. Its totient is φ = 99742720.

The previous prime is 102100393. The next prime is 102100421. The reversal of 102100403 is 304001201.

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 102100403 - 2¹⁴ = 102084019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102100003) 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, 28433 + ... + 31821.

It is an arithmetic number, because the mean of its divisors is an integer number (13058280).

Almost surely, 2^102100403 is an apocalyptic number.

102100403 is a deficient number, since it is larger than the sum of its proper divisors (2365837).

102100403 is an equidigital number, since it uses as much as digits as its factorization.

102100403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4077.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 102100403 is about 10104.4744049357. The cubic root of 102100403 is about 467.3861283851.

Adding to 102100403 its reverse (304001201), we get a palindrome (406101604).

The spelling of 102100403 in words is "one hundred two million, one hundred thousand, four hundred three".