240102001 has 4 divisors (see below), whose sum is σ = 240331504. Its totient is φ = 239872500.

The previous prime is 240101989. The next prime is 240102007. The reversal of 240102001 is 100201042.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 100201042 = 2 ⋅50100521.

It is a cyclic number.

It is not a de Polignac number, because 240102001 - 2⁵ = 240101969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240102007) 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, 113175 + ... + 115276.

It is an arithmetic number, because the mean of its divisors is an integer number (60082876).

Almost surely, 2^240102001 is an apocalyptic number.

It is an amenable number.

240102001 is a deficient number, since it is larger than the sum of its proper divisors (229503).

240102001 is a wasteful number, since it uses less digits than its factorization.

240102001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229502.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 240102001 is about 15495.2251032374. The cubic root of 240102001 is about 621.5345278388.

Adding to 240102001 its reverse (100201042), we get a palindrome (340303043).

The spelling of 240102001 in words is "two hundred forty million, one hundred two thousand, one".