103420278 has 96 divisors (see below), whose sum is σ = 254741760. Its totient is φ = 30101760.

The previous prime is 103420277. The next prime is 103420297. The reversal of 103420278 is 872024301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103420277) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 384328 + ... + 384596.

It is an arithmetic number, because the mean of its divisors is an integer number (2653560).

Almost surely, 2^103420278 is an apocalyptic number.

103420278 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 103420278, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127370880).

103420278 is an abundant number, since it is smaller than the sum of its proper divisors (151321482).

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

103420278 is a wasteful number, since it uses less digits than its factorization.

103420278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374 (or 371 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 103420278 is about 10169.5760973602. The cubic root of 103420278 is about 469.3915137544.

Adding to 103420278 its reverse (872024301), we get a palindrome (975444579).

It can be divided in two parts, 1034 and 20278, that added together give a palindrome (21312).

The spelling of 103420278 in words is "one hundred three million, four hundred twenty thousand, two hundred seventy-eight".