120201965 has 16 divisors (see below), whose sum is σ = 155914416. Its totient is φ = 88435200.

The previous prime is 120201959. The next prime is 120201971. The reversal of 120201965 is 569102021.

It is an interprime number because it is at equal distance from previous prime (120201959) and next prime (120201971).

It can be written as a sum of positive squares in 8 ways, for example, as 11437924 + 108764041 = 3382^2 + 10429^2 .

It is a de Polignac number, because none of the positive numbers 2^k-120201965 is a prime.

It is a super-2 number, since 2×120201965² = 28897024779722450, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14975 + ... + 21555.

It is an arithmetic number, because the mean of its divisors is an integer number (9744651).

Almost surely, 2^120201965 is an apocalyptic number.

It is an amenable number.

120201965 is a deficient number, since it is larger than the sum of its proper divisors (35712451).

120201965 is a wasteful number, since it uses less digits than its factorization.

120201965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6880.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 120201965 is about 10963.6656734871. The cubic root of 120201965 is about 493.5189756150.

Adding to 120201965 its reverse (569102021), we get a palindrome (689303986).

The spelling of 120201965 in words is "one hundred twenty million, two hundred one thousand, nine hundred sixty-five".