102997395 has 12 divisors (see below), whose sum is σ = 178528896. Its totient is φ = 54931920.

The previous prime is 102997369. The next prime is 102997399. The reversal of 102997395 is 593799201.

It is a happy number.

It is not a de Polignac number, because 102997395 - 2²⁵ = 69442963 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 2288831 = 102997395 / (1 + 0 + 2 + 9 + 9 + 7 + 3 + 9 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 102997395.

It is not an unprimeable number, because it can be changed into a prime (102997399) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1144371 + ... + 1144460.

It is an arithmetic number, because the mean of its divisors is an integer number (14877408).

Almost surely, 2^102997395 is an apocalyptic number.

102997395 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

102997395 is a deficient number, since it is larger than the sum of its proper divisors (75531501).

102997395 is a wasteful number, since it uses less digits than its factorization.

102997395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2288842 (or 2288839 counting only the distinct ones).

The product of its (nonzero) digits is 153090, while the sum is 45.

The square root of 102997395 is about 10148.7632251423. The cubic root of 102997395 is about 468.7508629317.

The spelling of 102997395 in words is "one hundred two million, nine hundred ninety-seven thousand, three hundred ninety-five".