102412819 has 2 divisors, whose sum is σ = 102412820. Its totient is φ = 102412818.

The previous prime is 102412771. The next prime is 102412829. The reversal of 102412819 is 918214201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102412819 - 2¹⁵ = 102380051 is a prime.

It is a super-2 number, since 2×102412819² = 20976770991053522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (102412829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51206409 + 51206410.

It is an arithmetic number, because the mean of its divisors is an integer number (51206410).

Almost surely, 2^102412819 is an apocalyptic number.

102412819 is a deficient number, since it is larger than the sum of its proper divisors (1).

102412819 is an equidigital number, since it uses as much as digits as its factorization.

102412819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 102412819 is about 10119.9218870503. The cubic root of 102412819 is about 467.8623596867.

The spelling of 102412819 in words is "one hundred two million, four hundred twelve thousand, eight hundred nineteen".