120951965 has 4 divisors (see below), whose sum is σ = 145142364. Its totient is φ = 96761568.

The previous prime is 120951913. The next prime is 120951977. The reversal of 120951965 is 569159021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 42133081 + 78818884 = 6491^2 + 8878^2 .

It is a cyclic number.

It is not a de Polignac number, because 120951965 - 2²² = 116757661 is a prime.

It is a super-2 number, since 2×120951965² = 29258755674722450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12095192 + ... + 12095201.

It is an arithmetic number, because the mean of its divisors is an integer number (36285591).

Almost surely, 2^120951965 is an apocalyptic number.

It is an amenable number.

120951965 is a deficient number, since it is larger than the sum of its proper divisors (24190399).

120951965 is an equidigital number, since it uses as much as digits as its factorization.

120951965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24190398.

The product of its (nonzero) digits is 24300, while the sum is 38.

The square root of 120951965 is about 10997.8163741717. The cubic root of 120951965 is about 494.5432851633.

The spelling of 120951965 in words is "one hundred twenty million, nine hundred fifty-one thousand, nine hundred sixty-five".