102047456 has 48 divisors (see below), whose sum is σ = 231888384. Its totient is φ = 43300224.

The previous prime is 102047431. The next prime is 102047459. The reversal of 102047456 is 654740201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102047459) 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, 20861 + ... + 25283.

It is an arithmetic number, because the mean of its divisors is an integer number (4831008).

Almost surely, 2^102047456 is an apocalyptic number.

102047456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102047456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115944192).

102047456 is an abundant number, since it is smaller than the sum of its proper divisors (129840928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102047456 is a wasteful number, since it uses less digits than its factorization.

102047456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4543 (or 4535 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 102047456 is about 10101.8540872456. The cubic root of 102047456 is about 467.3053223957.

Adding to 102047456 its reverse (654740201), we get a palindrome (756787657).

The spelling of 102047456 in words is "one hundred two million, forty-seven thousand, four hundred fifty-six".