120149001 has 40 divisors (see below), whose sum is σ = 212224320. Its totient is φ = 66280032.

The previous prime is 120148999. The next prime is 120149011. The reversal of 120149001 is 100941021.

It is not a de Polignac number, because 120149001 - 2¹ = 120148999 is a prime.

It is a super-3 number, since 3×120149001³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (120149011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 12790 + ... + 20096.

It is an arithmetic number, because the mean of its divisors is an integer number (5305608).

Almost surely, 2^120149001 is an apocalyptic number.

120149001 is the 5481-st decagonal number.

It is an amenable number.

120149001 is a deficient number, since it is larger than the sum of its proper divisors (92075319).

120149001 is an equidigital number, since it uses as much as digits as its factorization.

120149001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7355 (or 7346 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 120149001 is about 10961.2499743414. The cubic root of 120149001 is about 493.4464793540.

The spelling of 120149001 in words is "one hundred twenty million, one hundred forty-nine thousand, one".