120150405 has 16 divisors (see below), whose sum is σ = 213600960. Its totient is φ = 64080144.

The previous prime is 120150383. The next prime is 120150421. The reversal of 120150405 is 504051021.

It is not a de Polignac number, because 120150405 - 2⁶ = 120150341 is a prime.

It is a super-2 number, since 2×120150405² = 28872239643328050, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 444867 + ... + 445136.

It is an arithmetic number, because the mean of its divisors is an integer number (13350060).

Almost surely, 2^120150405 is an apocalyptic number.

120150405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

120150405 is a deficient number, since it is larger than the sum of its proper divisors (93450555).

120150405 is an equidigital number, since it uses as much as digits as its factorization.

120150405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890017 (or 890011 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 120150405 is about 10961.3140179451. The cubic root of 120150405 is about 493.4484014012.

The spelling of 120150405 in words is "one hundred twenty million, one hundred fifty thousand, four hundred five".