102354047 has 4 divisors (see below), whose sum is σ = 102609696. Its totient is φ = 102098400.

The previous prime is 102354037. The next prime is 102354067. The reversal of 102354047 is 740453201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 740453201 = 29 ⋅25532869.

It is a cyclic number.

It is not a de Polignac number, because 102354047 - 2¹⁴ = 102337663 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102354017) 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, 127223 + ... + 128024.

It is an arithmetic number, because the mean of its divisors is an integer number (25652424).

Almost surely, 2^102354047 is an apocalyptic number.

102354047 is a deficient number, since it is larger than the sum of its proper divisors (255649).

102354047 is an equidigital number, since it uses as much as digits as its factorization.

102354047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255648.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 102354047 is about 10117.0176929765. The cubic root of 102354047 is about 467.7728446288.

The spelling of 102354047 in words is "one hundred two million, three hundred fifty-four thousand, forty-seven".