120231406 has 8 divisors (see below), whose sum is σ = 182032920. Its totient is φ = 59553768.

The previous prime is 120231359. The next prime is 120231409. The reversal of 120231406 is 604132021.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120231409) 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, 280701 + ... + 281128.

It is an arithmetic number, because the mean of its divisors is an integer number (22754115).

Almost surely, 2^120231406 is an apocalyptic number.

120231406 is a deficient number, since it is larger than the sum of its proper divisors (61801514).

120231406 is a wasteful number, since it uses less digits than its factorization.

120231406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561938.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 120231406 is about 10965.0082535309. The cubic root of 120231406 is about 493.5592647680.

Adding to 120231406 its reverse (604132021), we get a palindrome (724363427).

The spelling of 120231406 in words is "one hundred twenty million, two hundred thirty-one thousand, four hundred six".