120262155 has 16 divisors (see below), whose sum is σ = 207221280. Its totient is φ = 59205888.

The previous prime is 120262151. The next prime is 120262183. The reversal of 120262155 is 551262021.

It is a happy number.

It is not a de Polignac number, because 120262155 - 2² = 120262151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120262151) by changing a digit.

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, 308170 + ... + 308559.

It is an arithmetic number, because the mean of its divisors is an integer number (12951330).

Almost surely, 2^120262155 is an apocalyptic number.

120262155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

120262155 is a deficient number, since it is larger than the sum of its proper divisors (86959125).

120262155 is a wasteful number, since it uses less digits than its factorization.

120262155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616750.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 120262155 is about 10966.4103060208. The cubic root of 120262155 is about 493.6013368597.

The spelling of 120262155 in words is "one hundred twenty million, two hundred sixty-two thousand, one hundred fifty-five".