103412340 has 72 divisors (see below), whose sum is σ = 315369600. Its totient is φ = 27428544.

The previous prime is 103412329. The next prime is 103412341. The reversal of 103412340 is 43214301.

It is a super-2 number, since 2×103412340² = 21388224128551200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103412341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34377 + ... + 37263.

Almost surely, 2^103412340 is an apocalyptic number.

103412340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103412340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157684800).

103412340 is an abundant number, since it is smaller than the sum of its proper divisors (211957260).

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

103412340 is a wasteful number, since it uses less digits than its factorization.

103412340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3101 (or 3096 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 103412340 is about 10169.1858081166. The cubic root of 103412340 is about 469.3795041007.

Adding to 103412340 its reverse (43214301), we get a palindrome (146626641).

The spelling of 103412340 in words is "one hundred three million, four hundred twelve thousand, three hundred forty".