120402447 has 16 divisors (see below), whose sum is σ = 182746368. Its totient is φ = 69798080.

The previous prime is 120402427. The next prime is 120402463. The reversal of 120402447 is 744204021.

It is not a de Polignac number, because 120402447 - 2¹⁶ = 120336911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120402427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78558 + ... + 80075.

It is an arithmetic number, because the mean of its divisors is an integer number (11421648).

Almost surely, 2^120402447 is an apocalyptic number.

120402447 is a deficient number, since it is larger than the sum of its proper divisors (62343921).

120402447 is a wasteful number, since it uses less digits than its factorization.

120402447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158670.

The product of its (nonzero) digits is 1792, while the sum is 24.

The square root of 120402447 is about 10972.8048829823. The cubic root of 120402447 is about 493.7931994035.

Adding to 120402447 its reverse (744204021), we get a palindrome (864606468).

The spelling of 120402447 in words is "one hundred twenty million, four hundred two thousand, four hundred forty-seven".