120040427 has 8 divisors (see below), whose sum is σ = 134895264. Its totient is φ = 105988608.

The previous prime is 120040399. The next prime is 120040429. The reversal of 120040427 is 724040021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120040427 - 2¹⁶ = 119974891 is a prime.

It is a super-2 number, since 2×120040427² = 28819408228684658, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120040399 and 120040408.

It is not an unprimeable number, because it can be changed into a prime (120040429) 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, 200438 + ... + 201035.

It is an arithmetic number, because the mean of its divisors is an integer number (16861908).

Almost surely, 2^120040427 is an apocalyptic number.

120040427 is a deficient number, since it is larger than the sum of its proper divisors (14854837).

120040427 is a wasteful number, since it uses less digits than its factorization.

120040427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401509.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 120040427 is about 10956.2962263714. The cubic root of 120040427 is about 493.2977984002.

Adding to 120040427 its reverse (724040021), we get a palindrome (844080448).

The spelling of 120040427 in words is "one hundred twenty million, forty thousand, four hundred twenty-seven".