101434240 has 64 divisors (see below), whose sum is σ = 256782960. Its totient is φ = 38182912.

The previous prime is 101434231. The next prime is 101434243. The reversal of 101434240 is 42434101.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101434243) 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, 6219 + ... + 15541.

Almost surely, 2^101434240 is an apocalyptic number.

101434240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101434240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128391480).

101434240 is an abundant number, since it is smaller than the sum of its proper divisors (155348720).

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

101434240 is an equidigital number, since it uses as much as digits as its factorization.

101434240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9359 (or 9347 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 101434240 is about 10071.4566970225. The cubic root of 101434240 is about 466.3674090442.

Adding to 101434240 its reverse (42434101), we get a palindrome (143868341).

The spelling of 101434240 in words is "one hundred one million, four hundred thirty-four thousand, two hundred forty".