120149447 has 8 divisors (see below), whose sum is σ = 136771200. Its totient is φ = 104477560.

The previous prime is 120149423. The next prime is 120149453. The reversal of 120149447 is 744941021.

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

It is not a de Polignac number, because 120149447 - 2²⁶ = 53040583 is a prime.

It is a super-2 number, since 2×120149447² = 28871779228811618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120146447) 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, 237197 + ... + 237702.

It is an arithmetic number, because the mean of its divisors is an integer number (17096400).

Almost surely, 2^120149447 is an apocalyptic number.

120149447 is a deficient number, since it is larger than the sum of its proper divisors (16621753).

120149447 is a wasteful number, since it uses less digits than its factorization.

120149447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474933.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 120149447 is about 10961.2703187176. The cubic root of 120149447 is about 493.4470899204.

The spelling of 120149447 in words is "one hundred twenty million, one hundred forty-nine thousand, four hundred forty-seven".