240101039 has 4 divisors (see below), whose sum is σ = 241320024. Its totient is φ = 238882056.

The previous prime is 240101027. The next prime is 240101041. The reversal of 240101039 is 930101042.

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-240101039 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 240101039.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240101009) 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, 609197 + ... + 609590.

It is an arithmetic number, because the mean of its divisors is an integer number (60330006).

Almost surely, 2^240101039 is an apocalyptic number.

240101039 is a deficient number, since it is larger than the sum of its proper divisors (1218985).

240101039 is a wasteful number, since it uses less digits than its factorization.

240101039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1218984.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 240101039 is about 15495.1940613856. The cubic root of 240101039 is about 621.5336977513.

The spelling of 240101039 in words is "two hundred forty million, one hundred one thousand, thirty-nine".