119981655 has 20 divisors (see below), whose sum is σ = 215078952. Its totient is φ = 63990000.

The previous prime is 119981629. The next prime is 119981669. The reversal of 119981655 is 556189911.

It is not a de Polignac number, because 119981655 - 2⁶ = 119981591 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 119981655.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 147721 + ... + 148530.

Almost surely, 2^119981655 is an apocalyptic number.

119981655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

119981655 is a deficient number, since it is larger than the sum of its proper divisors (95097297).

119981655 is an equidigital number, since it uses as much as digits as its factorization.

119981655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296268 (or 296259 counting only the distinct ones).

The product of its digits is 97200, while the sum is 45.

The square root of 119981655 is about 10953.6137872394. The cubic root of 119981655 is about 493.2172787738.

The spelling of 119981655 in words is "one hundred nineteen million, nine hundred eighty-one thousand, six hundred fifty-five".