102471401 has 4 divisors (see below), whose sum is σ = 102492372. Its totient is φ = 102450432.

The previous prime is 102471379. The next prime is 102471403. The reversal of 102471401 is 104174201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 81090025 + 21381376 = 9005^2 + 4624^2 .

It is a cyclic number.

It is not a de Polignac number, because 102471401 - 2²² = 98277097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102471403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1145 + ... + 14361.

It is an arithmetic number, because the mean of its divisors is an integer number (25623093).

Almost surely, 2^102471401 is an apocalyptic number.

It is an amenable number.

102471401 is a deficient number, since it is larger than the sum of its proper divisors (20971).

102471401 is an equidigital number, since it uses as much as digits as its factorization.

102471401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20970.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 102471401 is about 10122.8158631875. The cubic root of 102471401 is about 467.9515512829.

The spelling of 102471401 in words is "one hundred two million, four hundred seventy-one thousand, four hundred one".