103420434 has 16 divisors (see below), whose sum is σ = 222751872. Its totient is φ = 31821648.

The previous prime is 103420423. The next prime is 103420459. The reversal of 103420434 is 434024301.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 103420434.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 662874 + ... + 663029.

It is an arithmetic number, because the mean of its divisors is an integer number (13921992).

Almost surely, 2^103420434 is an apocalyptic number.

103420434 is an abundant number, since it is smaller than the sum of its proper divisors (119331438).

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

103420434 is a wasteful number, since it uses less digits than its factorization.

103420434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1325921.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 103420434 is about 10169.5837672935. The cubic root of 103420434 is about 469.3917497656.

Adding to 103420434 its reverse (434024301), we get a palindrome (537444735).

The spelling of 103420434 in words is "one hundred three million, four hundred twenty thousand, four hundred thirty-four".