194120955 has 40 divisors (see below), whose sum is σ = 397696992. Its totient is φ = 88739712.

The previous prime is 194120947. The next prime is 194120957. The reversal of 194120955 is 559021491.

It is not a de Polignac number, because 194120955 - 2³ = 194120947 is a prime.

It is a super-2 number, since 2×194120955² = 75365890340224050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (194120957) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 31402 + ... + 37071.

Almost surely, 2^194120955 is an apocalyptic number.

194120955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

194120955 is an abundant number, since it is smaller than the sum of its proper divisors (203576037).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

194120955 is an equidigital number, since it uses as much as digits as its factorization.

194120955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68497 (or 68488 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 36.

The square root of 194120955 is about 13932.7296320570. The cubic root of 194120955 is about 579.0163221257.

The spelling of 194120955 in words is "one hundred ninety-four million, one hundred twenty thousand, nine hundred fifty-five".