103251247 has 4 divisors (see below), whose sum is σ = 112637736. Its totient is φ = 93864760.

The previous prime is 103251241. The next prime is 103251277. The reversal of 103251247 is 742152301.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 103251247 - 2¹¹ = 103249199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103251241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4693228 + ... + 4693249.

It is an arithmetic number, because the mean of its divisors is an integer number (28159434).

Almost surely, 2^103251247 is an apocalyptic number.

103251247 is a deficient number, since it is larger than the sum of its proper divisors (9386489).

103251247 is an equidigital number, since it uses as much as digits as its factorization.

103251247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9386488.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 103251247 is about 10161.2620771241. The cubic root of 103251247 is about 469.1356484528.

It can be divided in two parts, 10325 and 1247, that multiplied together give a triangular number (12875275 = T₅₀₇₄).

The spelling of 103251247 in words is "one hundred three million, two hundred fifty-one thousand, two hundred forty-seven".