103550172 has 24 divisors (see below), whose sum is σ = 263582592. Its totient is φ = 31378800.

The previous prime is 103550147. The next prime is 103550173. The reversal of 103550172 is 271055301.

It is a super-3 number, since 3×103550172³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103550173) 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, 392104 + ... + 392367.

It is an arithmetic number, because the mean of its divisors is an integer number (10982608).

Almost surely, 2^103550172 is an apocalyptic number.

103550172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

103550172 is an abundant number, since it is smaller than the sum of its proper divisors (160032420).

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

103550172 is a wasteful number, since it uses less digits than its factorization.

103550172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784489 (or 784487 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 24.

The square root of 103550172 is about 10175.9604952063. The cubic root of 103550172 is about 469.5879472909.

The spelling of 103550172 in words is "one hundred three million, five hundred fifty thousand, one hundred seventy-two".