101430839 has 4 divisors (see below), whose sum is σ = 101451000. Its totient is φ = 101410680.

The previous prime is 101430829. The next prime is 101430877. The reversal of 101430839 is 938034101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101430839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101430809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4412 + ... + 14910.

It is an arithmetic number, because the mean of its divisors is an integer number (25362750).

Almost surely, 2^101430839 is an apocalyptic number.

101430839 is a deficient number, since it is larger than the sum of its proper divisors (20161).

101430839 is an equidigital number, since it uses as much as digits as its factorization.

101430839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20160.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 101430839 is about 10071.2878521071. The cubic root of 101430839 is about 466.3621966909.

The spelling of 101430839 in words is "one hundred one million, four hundred thirty thousand, eight hundred thirty-nine".