103742040 has 64 divisors (see below), whose sum is σ = 312449760. Its totient is φ = 27555840.

The previous prime is 103742039. The next prime is 103742069. The reversal of 103742040 is 40247301.

It is a junction number, because it is equal to n+sod(n) for n = 103741998 and 103742016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31680 + ... + 34800.

Almost surely, 2^103742040 is an apocalyptic number.

103742040 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 103742040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156224880).

103742040 is an abundant number, since it is smaller than the sum of its proper divisors (208707720).

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

103742040 is a wasteful number, since it uses less digits than its factorization.

103742040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3412 (or 3408 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 103742040 is about 10185.3836452045. The cubic root of 103742040 is about 469.8778013384.

Adding to 103742040 its reverse (40247301), we get a palindrome (143989341).

The spelling of 103742040 in words is "one hundred three million, seven hundred forty-two thousand, forty".