35979121 has 4 divisors (see below), whose sum is σ = 36038052. Its totient is φ = 35920192.

The previous prime is 35979113. The next prime is 35979149. The reversal of 35979121 is 12197953.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12197953 = 67 ⋅182059.

It can be written as a sum of positive squares in 2 ways, for example, as 11128896 + 24850225 = 3336^2 + 4985^2 .

It is a cyclic number.

It is not a de Polignac number, because 35979121 - 2³ = 35979113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (35979101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28540 + ... + 29773.

It is an arithmetic number, because the mean of its divisors is an integer number (9009513).

Almost surely, 2^35979121 is an apocalyptic number.

It is an amenable number.

35979121 is a deficient number, since it is larger than the sum of its proper divisors (58931).

35979121 is an equidigital number, since it uses as much as digits as its factorization.

35979121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58930.

The product of its digits is 17010, while the sum is 37.

The square root of 35979121 is about 5998.2598309843. The cubic root of 35979121 is about 330.1288783420.

It can be divided in two parts, 35979 and 121, that added together give a square (36100 = 190²).

The spelling of 35979121 in words is "thirty-five million, nine hundred seventy-nine thousand, one hundred twenty-one".