102117470 has 192 divisors, whose sum is σ = 260620416. Its totient is φ = 28385280.

The previous prime is 102117469. The next prime is 102117479. The reversal of 102117470 is 74711201.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102117479) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2490650 + ... + 2490690.

It is an arithmetic number, because the mean of its divisors is an integer number (1357398).

Almost surely, 2^102117470 is an apocalyptic number.

102117470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102117470 is an abundant number, since it is smaller than the sum of its proper divisors (158502946).

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

102117470 is a wasteful number, since it uses less digits than its factorization.

102117470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 23.

The square root of 102117470 is about 10105.3188965020. The cubic root of 102117470 is about 467.4121695315.

Adding to 102117470 its reverse (74711201), we get a palindrome (176828671).

The spelling of 102117470 in words is "one hundred two million, one hundred seventeen thousand, four hundred seventy".