103472040 has 128 divisors (see below), whose sum is σ = 357120000. Its totient is φ = 23493888.

The previous prime is 103472021. The next prime is 103472041. The reversal of 103472040 is 40274301.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 103471998 and 103472016.

It is not an unprimeable number, because it can be changed into a prime (103472041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 166851 + ... + 167469.

It is an arithmetic number, because the mean of its divisors is an integer number (2790000).

Almost surely, 2^103472040 is an apocalyptic number.

103472040 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 103472040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178560000).

103472040 is an abundant number, since it is smaller than the sum of its proper divisors (253647960).

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

103472040 is a wasteful number, since it uses less digits than its factorization.

103472040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839 (or 835 counting only the distinct ones).

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

The square root of 103472040 is about 10172.1207228385. The cubic root of 103472040 is about 469.4698110723.

The spelling of 103472040 in words is "one hundred three million, four hundred seventy-two thousand, forty".