120640233 has 8 divisors (see below), whose sum is σ = 183832768. Its totient is φ = 68937264.

The previous prime is 120640229. The next prime is 120640237. The reversal of 120640233 is 332046021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (120640229) and next prime (120640237).

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

It is not a de Polignac number, because 120640233 - 2² = 120640229 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 5744773 = 120640233 / (1 + 2 + 0 + 6 + 4 + 0 + 2 + 3 + 3).

It is not an unprimeable number, because it can be changed into a prime (120640237) 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, 2872366 + ... + 2872407.

It is an arithmetic number, because the mean of its divisors is an integer number (22979096).

Almost surely, 2^120640233 is an apocalyptic number.

It is an amenable number.

120640233 is a deficient number, since it is larger than the sum of its proper divisors (63192535).

120640233 is an equidigital number, since it uses as much as digits as its factorization.

120640233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5744783.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 120640233 is about 10983.6347808911. The cubic root of 120640233 is about 494.1180540905.

Adding to 120640233 its reverse (332046021), we get a palindrome (452686254).

The spelling of 120640233 in words is "one hundred twenty million, six hundred forty thousand, two hundred thirty-three".