120951447 has 16 divisors (see below), whose sum is σ = 171486720. Its totient is φ = 75565952.

The previous prime is 120951443. The next prime is 120951451. The reversal of 120951447 is 744159021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (120951443) and next prime (120951451).

It is not a de Polignac number, because 120951447 - 2² = 120951443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120951443) 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, 7228 + ... + 17150.

It is an arithmetic number, because the mean of its divisors is an integer number (10717920).

Almost surely, 2^120951447 is an apocalyptic number.

120951447 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

120951447 is a deficient number, since it is larger than the sum of its proper divisors (50535273).

120951447 is a wasteful number, since it uses less digits than its factorization.

120951447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10182.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 120951447 is about 10997.7928240170. The cubic root of 120951447 is about 494.5425791701.

The spelling of 120951447 in words is "one hundred twenty million, nine hundred fifty-one thousand, four hundred forty-seven".