101203434 has 12 divisors (see below), whose sum is σ = 219274146. Its totient is φ = 33734472.

The previous prime is 101203429. The next prime is 101203441. The reversal of 101203434 is 434302101.

It can be written as a sum of positive squares in only one way, i.e., 101062809 + 140625 = 10053^2 + 375^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 5622413 = 101203434 / (1 + 0 + 1 + 2 + 0 + 3 + 4 + 3 + 4).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2811189 + ... + 2811224.

Almost surely, 2^101203434 is an apocalyptic number.

101203434 is an abundant number, since it is smaller than the sum of its proper divisors (118070712).

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

101203434 is a wasteful number, since it uses less digits than its factorization.

101203434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5622421 (or 5622418 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 101203434 is about 10059.9917494996. The cubic root of 101203434 is about 466.0134123986.

Adding to 101203434 its reverse (434302101), we get a palindrome (535505535).

The spelling of 101203434 in words is "one hundred one million, two hundred three thousand, four hundred thirty-four".