102372147 has 32 divisors (see below), whose sum is σ = 161372160. Its totient is φ = 63918720.

The previous prime is 102372119. The next prime is 102372163. The reversal of 102372147 is 741273201.

It is a happy number.

It is not a de Polignac number, because 102372147 - 2⁸ = 102371891 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 102372147.

It is not an unprimeable number, because it can be changed into a prime (102372197) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 123978 + ... + 124800.

It is an arithmetic number, because the mean of its divisors is an integer number (5042880).

Almost surely, 2^102372147 is an apocalyptic number.

102372147 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

102372147 is a deficient number, since it is larger than the sum of its proper divisors (59000013).

102372147 is a wasteful number, since it uses less digits than its factorization.

102372147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120 (or 1114 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 102372147 is about 10117.9121858217. The cubic root of 102372147 is about 467.8004162123.

The spelling of 102372147 in words is "one hundred two million, three hundred seventy-two thousand, one hundred forty-seven".