120402451 has 8 divisors (see below), whose sum is σ = 132680240. Its totient is φ = 108555552.

The previous prime is 120402427. The next prime is 120402463. The reversal of 120402451 is 154204021.

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 120402451 - 2⁷ = 120402323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120402151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107136 + ... + 108253.

It is an arithmetic number, because the mean of its divisors is an integer number (16585030).

Almost surely, 2^120402451 is an apocalyptic number.

120402451 is a deficient number, since it is larger than the sum of its proper divisors (12277789).

120402451 is a wasteful number, since it uses less digits than its factorization.

120402451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215445.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 120402451 is about 10972.8050652511. The cubic root of 120402451 is about 493.7932048718.

Adding to 120402451 its reverse (154204021), we get a palindrome (274606472).

The spelling of 120402451 in words is "one hundred twenty million, four hundred two thousand, four hundred fifty-one".