103404540 has 48 divisors (see below), whose sum is σ = 306567072. Its totient is φ = 25952256.

The previous prime is 103404533. The next prime is 103404547. The reversal of 103404540 is 45404301.

It is an interprime number because it is at equal distance from previous prime (103404533) and next prime (103404547).

It is a super-2 number, since 2×103404540² = 21384997785223200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103404547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49669 + ... + 51708.

It is an arithmetic number, because the mean of its divisors is an integer number (6386814).

Almost surely, 2^103404540 is an apocalyptic number.

103404540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103404540 is an abundant number, since it is smaller than the sum of its proper divisors (203162532).

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

103404540 is a wasteful number, since it uses less digits than its factorization.

103404540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101406 (or 101404 counting only the distinct ones).

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

The square root of 103404540 is about 10168.8022893554. The cubic root of 103404540 is about 469.3677026329.

Adding to 103404540 its reverse (45404301), we get a palindrome (148808841).

The spelling of 103404540 in words is "one hundred three million, four hundred four thousand, five hundred forty".