102472219 has 4 divisors (see below), whose sum is σ = 102495096. Its totient is φ = 102449344.

The previous prime is 102472207. The next prime is 102472229. The reversal of 102472219 is 912274201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 912274201 = 151 ⋅6041551.

It is a cyclic number.

It is not a de Polignac number, because 102472219 - 2¹¹ = 102470171 is a prime.

It is a super-2 number, since 2×102472219² = 21001111333567922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102472229) 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, 2269 + ... + 14494.

It is an arithmetic number, because the mean of its divisors is an integer number (25623774).

Almost surely, 2^102472219 is an apocalyptic number.

102472219 is a deficient number, since it is larger than the sum of its proper divisors (22877).

102472219 is an equidigital number, since it uses as much as digits as its factorization.

102472219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22876.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 102472219 is about 10122.8562668844. The cubic root of 102472219 is about 467.9527964542.

The spelling of 102472219 in words is "one hundred two million, four hundred seventy-two thousand, two hundred nineteen".