103420550 has 24 divisors (see below), whose sum is σ = 197564736. Its totient is φ = 40249440.

The previous prime is 103420511. The next prime is 103420607. The reversal of 103420550 is 55024301.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26102 + ... + 29801.

It is an arithmetic number, because the mean of its divisors is an integer number (8231864).

Almost surely, 2^103420550 is an apocalyptic number.

103420550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103420550 is a deficient number, since it is larger than the sum of its proper divisors (94144186).

103420550 is a wasteful number, since it uses less digits than its factorization.

103420550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55952 (or 55947 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 103420550 is about 10169.5894705735. The cubic root of 103420550 is about 469.3919252610.

Adding to 103420550 its reverse (55024301), we get a palindrome (158444851).

The spelling of 103420550 in words is "one hundred three million, four hundred twenty thousand, five hundred fifty".