103440252 has 24 divisors (see below), whose sum is σ = 242629632. Its totient is φ = 34298800.

The previous prime is 103440251. The next prime is 103440277. The reversal of 103440252 is 252044301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103440251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20274 + ... + 24857.

It is an arithmetic number, because the mean of its divisors is an integer number (10109568).

Almost surely, 2^103440252 is an apocalyptic number.

103440252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

103440252 is an abundant number, since it is smaller than the sum of its proper divisors (139189380).

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

103440252 is a wasteful number, since it uses less digits than its factorization.

103440252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45329 (or 45327 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 103440252 is about 10170.5580967811. The cubic root of 103440252 is about 469.4217303385.

Adding to 103440252 its reverse (252044301), we get a palindrome (355484553).

The spelling of 103440252 in words is "one hundred three million, four hundred forty thousand, two hundred fifty-two".