102940470 has 80 divisors (see below), whose sum is σ = 278818848. Its totient is φ = 27250560.

The previous prime is 102940447. The next prime is 102940493. The reversal of 102940470 is 74049201.

It is a happy number.

102940470 is a `hidden beast` number, since 102 + 94 + 0 + 470 = 666.

It is an interprime number because it is at equal distance from previous prime (102940447) and next prime (102940493).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 134890 + ... + 135650.

Almost surely, 2^102940470 is an apocalyptic number.

102940470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 102940470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139409424).

102940470 is an abundant number, since it is smaller than the sum of its proper divisors (175878378).

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

102940470 is a wasteful number, since it uses less digits than its factorization.

102940470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947 (or 938 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 102940470 is about 10145.9583086074. The cubic root of 102940470 is about 468.6644900021.

Adding to 102940470 its reverse (74049201), we get a palindrome (176989671).

The spelling of 102940470 in words is "one hundred two million, nine hundred forty thousand, four hundred seventy".